Thurop Van Orman Flapjack, Delinquent No. 2 Voice, Writer, Writer Brian Doyle-Murray Captain K'nuckles Voice Roz Ryan Bubbie Voice Jeff Bennett Peppermint Larry, The Inventor Voice Steve Little Pirate Captain Voice, Writer Richard McGonagle McGee, Announcer Guest Voice Kent Osborne Delinquent No. 1, Artist Kid Guest Voice, Writer Cree Summer Diver, Buff Delinquent Guest Voice J.G. Quintel Writer, Writer John Infantino Writer Patrick McHale Writer Jackie Buscarino Writer Charlie Adler Voice Director