Dave Kim Director, Producer, Film Editing Rex Piano Candle , Stone Giant No. 2 , Imbecile No. 1 Erwin the Penguin Director, Actor, Producer Joe Alaskey Santa Maria Clausewitz Kringle , Bagger , Chief Manamana Voice Tom Kenny Dingle Kringle , Wrapple , Pirate No. 1 Voice Sean Hart Lex , Stone Giant No. 1 , Imbecile No. 2 Claudio the Penguin Voice Jill Talley Mrs. Grizelda Claus , Veronica Kim Actor Martin Olson Screenwriter Matt Lichtenwalter Executive Producer Lance Thompson Executive Producer Seth Willenson Executive Producer Chris Anderson Original Music Don W. Kim Art Director