Gaten Matarazzo
22 years old
Gaetano John "Gaten" Matarazzo III (born September 8, 2002) is an American actor. He began his career on the Broadway stage as Benjamin in Priscilla, Queen of the Desert and as Gavroche in Les Misé...
See Profile
The Grim Adventures of Billy & Mandy
After two kids win a bet against the Grim Reaper, he has to be their best friend for the rest of time. Naturally this comes with consequences, like having to deal with villains from the Underworld.
See Story
Join the Conversation
1 comment on Gaten Matarazzo as William Billy in The Grim Adventures of Billy & Mandy