Guest Stars H. Jon Benjamin voices Jimmy Pesto Jr. Bobby Tisdale voices Zeke David Herman voices Mr. Frond Jenny Slate voices Tammy Brian Huskey voices Regular Sized Rudy John Roberts voices Jocelyn Jay Johnston voices Jimmy Pesto H. Jon Benjamin voices Ms. LaBonz David Herman voices Trev David Herman voices Mr. Branca Melissa Bardin Galsky voices Ms. Jacobson Sarah Silverman voices Ms. Schnur Joe Lo Truglio voices Don