Benjamin Isaac "Ben" Diskin (born August 25, 1982) is an American voice actor. He is best known for voicing Numbuh 1 and Numbuh 2 in the animated series Codename: Kids Next Door. Diskin was credited for voicing Hahn in Avatar: The Last Airbender.
Diskin has appeared in The Wonder Years, Hey Arnold!, Disney's Recess, Mr. Saturday Night, Kindergarten Cop, Baby Boom, and Just Like Dad. He also voiced Eddie J. Squirrel in Squirrel Boy, Arashi Fuuma on Naruto, Sai in Naruto Shippuden, the mean teacher in Drake and Josh, Kai Miyagusuku and Katao in Blood+, and Eddie Brock/Venom in The Spectacular Spider-Man. He also voiced the title character in the anime series Stitch!.