They are the main characters in The Amazing World of Gumball.
- Gumball: Son of Nicole and Richard - Brother to Darwin and Anais. Blue Cat
- Darwin: Adopted son of Nicole and Richard - Adopted brother to Gumball and Anais. Goldfish
- Anais: Daughter of Nicole and Richard - Sister to Gumball and Darwin. Pink rabbit.
- Nicole: Mother to Gumball, Darwin, and Anais - Wife of Richard. Blue cat.
- Richard: Father to Gumball, Darwin, and Anais - Husband of Nicole. Pink rabbit.
- Granny Jojo: Grandmother to Gumball, Darwin and Anais - Mother of Richard - Mother-in-Law of Nicole. Pink rabbit.
- Claudio Watterson: Grandfather to Gumball, Darwin, and Anais as mentioned in "The End" - unknown whether if this referred to the father of Richard or Nicole.
- Louie: Step-Grandfather to Gumball, Darwin and Anais - Step-father of Richard - Step-daughter-in-law of Nicole.
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