Billy & Mandy's Big Boogey Adventure

Plot Summary

When the Boogey Man causes Grim to lose his powers, rank, and title in the Underworld Court for misusing his powers, he plots to seek out Horror's Hand and take over the world. It's up to Billy, Mandy, Irwin, and Grim to get to Horror's Hand before the Boogey Man does.

Top Cast

Richard Steven Horvitz Billy / Billybot / Harold / Pale Ghoulish Juror / Chippy the Squirrel (voice) (as Richard Horvitz)

Grey DeLisle Mandy / Mandroid / Older Mandy / Milkshakes / Some Kid (voice)

Greg Eagles Grim / Sperg / Pirate #6

Vanessa Marshall Irwin / Pirate #5 / Unicorn (voice)

Maxwell Atoms I'll Cut You Guy / Pirate #2 / Horrorbot / Burnt Skeleton Guard (voice)