Anais Watterson

Anais Watterson is the tritagonist and one of the main characters of The Amazing World of Gumball. She is the youngest member of the Watterson family and the most rational, despite being only four years old. She is in 8th (and later 9th) grade at Elmore Junior High with her older brothers, Gumball and Darwin, and is in a higher grade than them, as revealed in "The Others."