Chuck Klein (birthname Charles Alan Klein) is a storyboard supervisor for The Amazing World of Gumball.
He has worked in animation as a storyboard artist/writer and director for 17 years, contributing to shows like SpongeBob SquarePants, Family Guy, The Cleveland Show, Foster's Home for Imaginary Friends, Teacher's Pet, and many others.
- His face was used for the butterfly in the episode, "The Butterfly."
- Mic Graves based Banana Joe's voice on his impersonation of Chuck Klein.
- Season 4 is the final season he worked on because he moved back to Los Angeles.
- He is shown on the cover of the book How to Draw Superheroes in "The Comic," as well as having supposedly written the former.
- Ethel and Bernie Klein were likely named after him.
- A teacher Louie mentions having had in his youth was named "Mr. Klein," presumably another reference to Chuck Klein.