Santa has been turned into a vampire, and only Billy and Mandy can turn him back and save Christmas.
Santa has been turned into a vampire, and only Billy and Mandy can turn him back and save Christmas.
Greg Eagles , Richard Steven Horvitz , Grey DeLisle
Rae McCarson
Cartoon Network Studios ,
as Grim / Sperg (voice)
as Billy (voice) (as Richard Horvitz)
as Mandy / Doll (voice)