Irwin, Hoss Delgado, Jeff the Spider, Fred Fredburger, and General Skarr from the "Grim Adventures of Billy and Mandy" team up to fight an evil candy army from the Underworld on Halloween.
Irwin, Hoss Delgado, Jeff the Spider, Fred Fredburger, and General Skarr from the "Grim Adventures of Billy and Mandy" team up to fight an evil candy army from the Underworld on Halloween.
Grey DeLisle , Greg Eagles , Richard Steven Horvitz
Maxwell Atoms
Cartoon Network Studios ,
as Mandy / Aunt Sis / Kid / Ike (voice)
as Grim / Sperg / Giant Candy Bar (voice)
as Billy / Harold / Pumpkin / Trick-or-Treater Eater (voice)