Headcanons

This page is for putting any headcanons relating to the musical and the characters of Cats. Please remember that this is a fanon page. Feel free to add any headcanons you might have, but don't delete other ideas.

Theories

 * London-based Alonzo is a black and white spotted cat
 * Broadway-based Alonzo is a tabby alley cat.

Relationships

 * Asparagus: might be Alonzo's father.
 * Bombalurina: might be mates.
 * Bustopher Jones: might be Alonzo's father, uncle, or brother.
 * Cassandra: might be mates - this is indicated onstage in UK-based productions.
 * Demeter: might be mates - this is indicated onstage in Broadway-based productions.
 * Electra: might be mates.
 * Etcetera: might be mates.
 * Grizabella: might be Alonzo's mother.
 * Jellylorum: might be Alonzo's mother.
 * Jemima: might be Alonzo's mate or sister.
 * Macavity: might be Alonzo's brother.
 * Mistoffelees: might be Alonzo's brother.
 * Munkustrap: might be Alonzo's brother or mate.
 * Old Deuteronomy: might be Alonzo's father.
 * Pouncival: might be Alonzo's brother.
 * Rum Tum Tugger: might be Alonzo's brother.
 * Tumblebrutus: might be Alonzo's brother.
 * Victoria: might be Alonzo's mate or sister.

Theories

 * Asparagus is a long-haired tabby.


 * In the film version, Asparagus is a separate character from Gus the Theatre Cat.

Relationships

 * Alonzo: might be Asparagus' son.
 * Jellylorum: might be mates, or siblings.
 * Jennyanydots: might be mates, or siblings.
 * Pouncival: might be Asparagus' son.
 * Skimbleshanks: might be siblings.
 * Tumblebrutus: might be Asparagus' son.

Theories

 * Bill Bailey is a tabby and white kitten, with patches of tabby stripes and spots on a white body.

Relationships

 * Alonzo: might be brothers.
 * Asparagus: might be his father.
 * Electra: might be siblings, or mates.
 * Etcetera: might be siblings, or mates.
 * Jellylorum: might be his mother.
 * Jemima: might be siblings, or mates. They are seen together during the Pas de Deux.
 * Jennyanydots: might be his mother.
 * Pouncival: might be brothers.
 * Skimbleshanks: might be his father.
 * Tantomile: might be mates, or close friends.

Theories

 * Bombalurina is a bright Torbie and white - her ginger colour exaggerated onstage, but she has patches of black stripes over a bright ginger, and a white bib.


 * Bombalurina and Demeter are sisters, who both were involved in Macavity's gang. Macavity was in an abusive relationship with Demeter, leading to conflicting emotions for Bombalurina.
 * Grizabella is Bombalurina and Demeter's mother, and abandoned them to continue her glamorous lifestyle. She inherited her looks and confidence from her mother, and she understands her but resents her abandoning them.

Relationships

 * Alonzo: might be mates.
 * Demeter: There is much debate about the relationship between these two. There is speculation that they might be sisters, mother and daughter, mates, or close friends. Depending on the age of each cat in the production, Demeter may be seen as Bombalurina's mother or vice versa.
 * Gus: might be a relation of Gus the Theatre Cat
 * Grizabella: might be Bombalurina's mother
 * Macavity: There is debate about the relationship of these characters. Fans speculate that Macavity may be Bombalurina's father, brother, or mate. What is canon is that Bombalurina knows a lot about Macavity, and is less afraid of him than Demeter is.
 * Munkustrap: might be mates.
 * Pouncival: might be mates. Pouncival is seen flirting with Bombalurina
 * Rum Tum Tugger: (Rockstar) might be mates. Bombalurina flirts with him during his solo, and they dance the pas de deux.

Theories

 * Bustopher Jones is a well-fed, plush short-hair, with a white bib and white paws (his white "spats")

Relationships

 * Alonzo: might be his son, his nephew, or his brother.
 * Jellylorum: might be his mate.
 * Jennyanydots: might be his mate. She is shown to be a great admirer of him in his solo.
 * Mistoffelees: might be his son or nephew.
 * Tumblebrutus: might be his nephew

Theories

 * Carbucketty is a tabby and white kitten

Relationships

 * Alonzo : might be be brothers.
 * Asparagus : might be Pouncival's father.
 * Bombalurina : might be mates. Pouncival is seen flirting with Bombalurina.
 * Electra : might be siblings or mates.
 * Etcetera : might be siblings.
 * Jellylorum : might be Pouncival's mother.
 * Jennyanydots : might be Pouncival's mother.
 * Skimbleshanks : might be Pouncival's father.
 * Tumblebrutus : might be siblings.
 * Old Deuteronomy: might be uncle, or grandfather.

Theories

 * Cassandra is some form of exotic breed, possibly Abysinnian.

Relationships

 * Alonzo: might be mates. This is indicated onstage in UK-based productions.
 * Coricopat: might be relatives, mates, or good friends.
 * Exotica: might be her daughter or they may be sisters.
 * Mistoffelees: might be mates.
 * Old Deuteronomy: might be her father.
 * Rum Tum Tugger: might be mates.
 * Tantomile: might be relatives or good friends.
 * Tumblebrutus: might be mates.

Theories

 * Coricopat and Tantomile are strongly marked Tabby and white. They are almost identical.

Relationships

 * Cassandra: might be mates, or good friends.


 * Exotica: might be a distant relative of Coricopat, or possibly a close friend. might be mates.


 * Old Deuteronomy: might be Coricopat's father.


 * Macavity: might be Coricopat's father.


 * Mistoffelees: might be close friend.
 * Jemima: might be mates or close friends.
 * Rumpleteazer: might be mates
 * Tantomile: Coricopat and Tantomile are usually portrayed as twins. They are less commonly believed instead to be mates.

Theories

 * Demeter is a Torbie and white - her costume design is stylised but shows black stripes and patches over a golden ginger base, with a white bib.
 * Bombalurina and Demeter are sisters, who both were involved in Macavity's gang. Macavity was in an abusive relationship with Demeter.
 * Grizabella is Bombalurina and Demeter's mother, and abandoned them to continue her glamorous lifestyle. Demeter has a lot of empathy for Grizabella, but lacks the confidence to displease Bombalurina by reaching out to her.

Relationships

 * Alonzo: might be mates. This is indicated onstage in Broadway-based productions.
 * Bombalurina: There is much debate about the relationship between these two. There is speculation that they might be sisters, mother and daughter, mates, or close friends. Depending on the age of each cat in the production, Demeter may be seen as Bombalurina's mother or vice versa.
 * Grizabella: might be Demeter's mother.
 * Jemima: might be Demeter's daughter, or adoptive daughter, possibly by Macavity. might be sisters or just good friends.
 * Macavity: Macavity has an abusive past with Demeter, and in the Matinee Lines he tells her "I'll be back for you!"
 * Munkustrap: might be mates. This is indicated onstage in UK-based productions.
 * Electra: might be mother of Electra, by Munkustrap.
 * Victoria: might be Victoria, by Macavity.
 * Mistoffelees: might be mother of Mistoffelees, by Macavity
 * Rumpleteazer: might be good friends.

Theories

 * Electra is a dark Torbie without white patches.

Relationships

 * Bombalurina: might be Electra's mother.
 * Demeter: might be Electra's mother
 * Etcetera: might be siblings.
 * Jellylorum: might be Electra's mother.
 * Jennyanydots: might be Electra's mother.
 * Pouncival: might be siblings, or mates.
 * Skimbleshanks: might be Electra's father.
 * Tumblebrutus: might be siblings, or mates.
 * Victoria: might be sisters.

Theories

 * Etcetera is a dilute Tabby and White

Relationships

 * Electra: might be sisters.
 * Jellylorum: might be Etcetera's mother.
 * Jemima: might be isters.
 * Jennyanydots: might be Etcetera's mother.
 * Pouncival: might be siblings, or mates.
 * Rum Tum Tugger: might be his mate, or just his biggest fan.
 * Skimbleshanks: might be Etcetera's father.
 * Tumblebrutus: might be siblings, or mates.
 * Victoria: might be siblings.

Theories

 * Exotica may be Abysinnian, like Cassandra, or Siamese.

Relationships

 * Cassandra: might be sisters.
 * Coricopat: might be mates, or distant relatives.
 * Tantomile: might be distant relatives, or simply friends.
 * Rum Tum Tugger: might be mates.

Theories

 * George is a Tabby and white.

Relationships

 * Bill Bailey: might be brothers, or good friends


 * Rumpleteazer : might have a crush on her.
 * Victor: might be brothers, or good friends

Theories

 * Griddlebone is an agent of Macavity's - she was sent to distract Growltiger to allow the Siamese to get close enough to attack. This is why she escapes with ease.

Relationships

 * Growltiger: They are always portrayed as lovers.
 * Macavity: might be mates. She is described as an agent of his.

Theories

 * Grizabella is a sandy tabby.
 * Babygriz, that we see in the ensemble at the start of the show, is actually Grizabella re-born from the Heaviside layer as an innocent, joyful kitten. She doesn't remember her past but she treasures her youth and beauty. What happens after the end of the show is actually shown in the beginning.

Relationships

 * Bombalurina: might be Grizabella's daughter.
 * Cassandra: might be her daughter.
 * Demeter: might be Grizabella's daughter.
 * Old Deuteronomy: might have been mates.
 * Jemima: might be Grizabella's daughter or granddaughter.
 * Macavity: might be Macavity's mother.
 * Munkustrap: might be Munkustrap's mother.
 * Rum Tum Tugger: might be Rum Tum Tugger's mother.

Theories

 * Jellylorum is a tabby and white.

Relationships

 * Asparagus: might be mates.
 * Bombalurina: might be Jellylorum's daughter.
 * Demeter: might be Jellylorum's daughter.
 * Electra: might be Jellylorum's daughter.
 * Etcetera: might be Jellylorum's daughter.
 * Jemima: might be Jellylorum's daughter.
 * Jennyanydots: might be sisters.
 * Mistoffelees: might be Jellylorum's son.
 * Pouncival: might be Jellylorum's son.
 * Skimbleshanks: might be mates.
 * Tumblebrutus: might be Jellylorum's son.
 * Victoria: might be Jellylorum's daughter.

Theories

 * Jemima is a Tortie and white.
 * Jemima, Demeter, Bombalurina and Tugger all live with the same humans who like to put spiked collars on their cats to help protect them. Bombalurina, Demeter and Jemima are related but Tugger is not.

Relationships

 * Alonzo: might be mates or siblings, as they are flirting at the Ball.
 * Bombalurina: might be Jemima's mother or sister because of the similar markings.
 * Demeter: might be Jemima's mother, sister, or friend because of their interactions and colors.
 * Coricopat: might be Jemima's mate.
 * Electra: might be sisters or close friends.
 * Etcetera: might be close friends.
 * Grizabella: might be her sibling, mother, or grandmother, as Jemima is the first to reach out to her and to empathize with her.
 * Jellylorum: might be Jemima's mother.
 * Jennyanydots: might be Jemima's mother.
 * Macavity: might be Jemima's father due to Macavity's history with Demeter, and inherited psychic powers.
 * Mistoffelees: might be siblings, mates or close friends. (Main Article: Jemistoffelees)
 * Munkustrap: might be Jemima's father. might be mates due to the sweet interactions or similar markings.
 * Old Deuteronomy: might be her father or grandfather, seeing that she has a connection with him and he chooses her to understand the meaning of "Moments of Happiness".
 * Pouncival: might be siblings or mates, as they are often seen together.
 * Rum Tum Tugger: might be siblings or mates, or he is her uncle. Tugger is seen interacting with her throughout, seeming to single her out from the other kittens.
 * Skimbleshanks: might be Jemima's father, as he is seen pulling Jemima back from Grizabella, holding her.
 * Tumblebrutus: might be siblings or mates, as they are seen together during the Pas de Deux.
 * Victoria: might be close friends, as they are often together. might be siblings or mates.

Theories

 * Jennyanydots is specified as a Tabby - "Her coat is of the tabby kind, with tiger stripes and leopard spots"

Relationships

 * Asparagus: might be mates, or siblings.
 * Bombalurina: might be Jennyanydots' daughter.
 * Bustopher Jones: might be Jennyanydots' mate, as she clearly admires him in his solo.
 * Demeter: might be Jennyanydots' daughter.
 * Jellylorum: might be siblings, or just friends.
 * Jemima: might be Jennyanydot's daughter.
 * Mungojerrie: might be Jennyanydot's son.
 * Pouncival: might be Jennyanydot's son.
 * Rumpleteazer: might be Jennyanydot's daughter.
 * Skimbleshanks: might be mates.

Theories

 * Macavity is specified as "...a ginger cat, he's very tall and thin"

Relationships

 * Alonzo: might be rivals for Demeter


 * Bombalurina: might be Macavity's daughter with Demeter. might have been lovers. Bombalurina is shown to have a slightly different opinion than Demeter, she finds Macavity more attractive, and less frightening.
 * Demeter: They have an abusive history, in the Matinee lines while kidnapping Old Deuteronomy, Macavity says "I'll be back for you!" to Demeter. Demeter is petrified of Macavity, and assumes and startling noise is his return.
 * Mistoffelees: might be Macavity's son,due them both having a magical ability. might be brothers.
 * Munkustrap: might be brothers. might be rivals for Demeter.
 * Old Deuteronomy: might be Macavity's father, or Grandfather.
 * Rum Tum Tugger: might be brothers.

Theories

 * Mistoffelees is described as "black from his ears to the tip of his tail", however we see him onstage as a Black and White/Tuxedo cat.

Relationships

 * Bustopher Jones: Some fans believe that he is Mistoffelees' uncle, but he could also be his father.
 * Cassandra: Some fans believe that they may be mates.
 * Electra: Some fans believe that she may be his mate.
 * Etcetera: Some fans believe that they may be cousins.
 * Jemima: Sometimes it is believed that they may be mates or close friends. Main article:  Jemistoffelees
 * Macavity: Some fans believe Macavity is Mistoffelees' father.
 * Munkustrap: Some fans believe that Munkunstrap is his uncle or his brother.
 * Old Deuteronomy: Some fans believe Old Deuteronomy is Mistoffelees' grandpa.
 * Rumpleteazer: Some fans believe Rumpleteazer is Mistoffelees' mate or close friend as they are seen together.
 * Rum Tum Tugger: Some fans believe that Tugger is his uncle. Many fans believe that they have a love-hate relationship. Some fans see a fiesty relationship between them. Main article: Tugstoffelees
 * Victoria: In some productions they seem to be mates, while in some they are portrayed as siblings, or just close friends. Main article:  Mistoria

Relationships

 * Bombalurina: In some productions they are mates.
 * Bustopher Jones: It may be possible that Bustopher Jones is Mungojerrie's dad.
 * Jellylorum: Some fans believe Jellylorum is Mungojerrie's mother.
 * Jennyanydots: Some fans believe Jennyanydots is Mungojerrie's mother.
 * Macavity: Some fans believe Macavity may be Mungojerrie's father.
 * Rumpleteazer: It is an issue of much debate among fans as to whether Mungojerrie and Rumpleteazer are siblings, mates or just close friends. Many believe they are twins due to their near identical appearance, while others believe this to be a coincidence.
 * Skimbleshanks: Some fans believe Skimbleshanks is Mungojerrie's father.
 * Tantomile: Some fans believe Tantomile is Mungojerrie's mate.

Relationships

 * Alonzo: It is believed that he may be Munkustrap's brother or mate.
 * Cassandra: In some productions (Broadway based) Cassandra is his mate.
 * Demeter: In some productions (London based) Demeter is Munkustrap's mate.
 * Electra: Some fans believe she is Munkustrap's daughter by Demeter
 * Grizabella: Some fans believe that Grizabella is Munkustrap's mother
 * Jemima: Some fans believe that Jemima is Munkustrap's daughter, or adopted daughter. Many other fans believe Jemima is Munkustrap's mate.
 * Macavity: Many fans believe that Macavity is Munkustrap's brother.
 * Mistoffelees: Some fans believe that Munkustrap is his father by Demeter
 * Old Deuteronomy: Many fans believe that Old Deuteronomy is Munkustrap's father
 * Rum Tum Tugger: In some productions (inc. UK Tour) it is played that Rum Tum Tugger is Munkustrap's brother
 * Rumpleteazer: Some fans believe them to be mates.
 * Victoria: Some fans believe that she is Munkustrap's daughter by Demeter

Relationships

 * Alonzo: Some fans believe Alonzo is Old Deuteronomy's son.
 * Grizabella: Some fans believe that they were mates or friends.
 * Gus the Theatre Cat: Some fans believe that, due to their age, Gus and Old Deuteronomy are close friends.
 * Jemima: Some fans believe Jemima is Old Deuteronomy's daughter or granddaughter.
 * Macavity: Some fans believe Macavity is Old Deuteronomy's son.
 * Mistoffelees: Some fans believe nephew, or grandson.
 * Munkustrap: It is commonly believed among fans that Munkustrap is Old Deuteronomy's son.
 * Rum Tum Tugger: Some fans believe Rum Tum Tugger is Old Deuteronomy's son.
 * Skimbleshanks: Some fans believe Skimbleshanks and Old Deuteronomy are good friends.
 * Victoria: Some people believe Victoria is Old Deuteronomy's daughter or granddaughter.

Relationships

 * Alonzo: Some fans believe Alonzo and Rum Tum Tugger are brothers.
 * Bombalurina: Most fans believe he and Bombalurina are mates.
 * Demeter: Some fans believe that they are friends, however due to the dislike Demeter has for Rum Tum Tugger they could have like/dislike friendship or simply a rivalry.
 * Etcetera: Some fans believe that Etcetera is his mate, but she just could be his biggest fan.
 * Exotica: Some believe they are mates.
 * Jemima: Some fans believe Jemima and Tugger are mates or siblings.
 * Old Deuteronomy: Most fans believe Rum Tum Tugger is Old Deuteronomy's son or adopted son.
 * Macavity: Some fans believe that Macavity and Rum Tum Tugger are brothers.
 * Mistoffelees: Some fans believe Mistoffelees/Quaxo and Rum Tum Tugger are brothers. Many other fans believe they have a love/hate relationship or are mates.
 * Munkustrap: Some fans believe Tugger and Munkustrap are brothers.
 * Victoria : Some believe that she is his sibling, but then she could just be a fan.

Relationships

 * Coricopat: Some fans believe Coricopat is Rumpleteazer's mate.
 * Demeter: Some fans believe that she and Demeter are mates, or friends.
 * Jellylorum: Some fans believe Jellylorum is Rumpleteazer's mother.
 * Jennyanydots: Some fans believe Jennyanydots is Rumpleteazer's mother.
 * Macavity: Some fans believe Macavity may be Rumpleteazer's father.
 * Mungojerrie: It is an issue of much debate among fans as to whether Mungojerrie and Rumpleteazer are siblings, mates or just close friends. Many believe they are twins due to their near identical apperance, while others believe this to be a coincidence.
 * Mistoffelees: Some fans believe Mistoffelees is Rumpleteazer's mate or close friend as they are seen close to each other.
 * Munkustrap: Some fans think they are mates.
 * Rum Tum Tugger: Some fans think that she is his sibling, just a fan or mates.
 * Skimbleshanks: Some fans believe Skimbleshanks is Rumpleteazer's father.

Relationships

 * Asparagus: Some fans believe Asparagus and Skimbleshanks are brothers.
 * Bombalurina: Some fans believe Bombalurina is Skimbleshanks' daughter.
 * Demeter: Some fans believe Demeter is Skimbleshanks' daughter.
 * Electra: Some fans believe Electra is Skimbleshank's daughter.
 * Etcetera: Some fans believe Etcetera is Skimbleshank's daughter.
 * Jennyanydots: Many fans believe that Jennyanydots and Skimbleshanks are mates, but he could also be her son.
 * Jellylorum: Some fans believe Jellylorum and Skimbleshanks are mates.
 * Jemima: Some believe that she is his daughter.
 * Mistoffelees: Some fans consider Mistoffelees/Quaxo to be Skimbleshanks' son.
 * Pouncival: Some fans believe Pouncival is Skimbleshanks' son.
 * Rumpleteazer: Some fans believe Rumpleteazer is Skimbleshanks' daughter.
 * Tumblebrutus: Some fans believe Tumblebrutus is Skimbleshanks' son.
 * Victoria: Some fans believe Victoria is Skimbleshanks' daughter.

Relationships

 * Cassandra: They are understood to be relatives or good friends.
 * Coricopat: There is a debate on their relationship. Some fans believe they are siblings. Many other fans believe they are mates as they are seen together in the Pas De Deux, and in the Paris production where he picks up and spins Tanomile during Jellicle Songs.
 * Exotica: Some fans believe that she is a distant relative of Tantomile.
 * Jemima: It is usually believed that Tantomile is her closest friend.
 * Mistoffelees: It is usually believed that they are close friends.
 * Mungojerrie: Some fans believe Mungojerrie is Tantomile's mate.
 * Old Deuteronomy: Some fans believe that Old Deuteronomy is Tantomile's father.
 * Tumblebrutus : Many fans believe that Tumblebrutus is her mate while sometimes they are close friends.

Theories

 * Some fans think she might be a deaf/mute, because in real life, solid white cats are often deaf. She also doesn't sing.

Relationships

 * Alonzo: Some fans believe that they are mates, siblings, or friends.
 * Asparagus: Some fans think he is her father.
 * Demeter: Some fans believe she is her mother.
 * Electra: They are usually portrayed as friends.
 * Etcetera: Some fans believe they are sisters. They are usually portrayed as close friends.
 * Griddlebone: Some fans think she is Victoria's mother.
 * Jellylorum: Some fans believe that she is Victoria's mother.
 * Jemima: They are usually portrayed as close friends, mates, or sisters.
 * Jennyanydots: Some fans believe that she is Victoria's mother.
 * Macavity: Some fans believe that Victoria is his daughter.
 * Mistoffelees: They are often portrayed as friends or siblings, but some support them as a fandom couple. Main article:  Mistoria
 * Mungojerrie: Some fans believe that they are mates.
 * Munkustrap: Some fans believe that he is Victoria's father.
 * Pouncival: Some fans believe that they are mates or siblings.
 * Plato: They are often portrayed as mates, and are featured doing the pas de deux during the Mating Dance, and also snuggling. Main article: Platoria
 * Old Deuteronomy: Some fans think he is her father.
 * Rum Tum Tugger: Some fans believe that they are siblings or she is just a fan.
 * Skimbleshanks: Some fans believe that he is Victoria's father.
 * Tumblebrutus: Some fans believe that they are mates or siblings.