Chumball is Gumball's evil alternative version. He is 13 years old and has a small crush on Martha.
Chumball is Gumball's evil alternative version, one inch tall from him. In his development look, he had a small black shadowunder his body. He has thick eyebrows and like Gumball, he only have 5 whiskers visible. He debuted in The Day .Chumball got his name from a name pun of Gumball, but his real name is Arthur.