Overview
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.
| Actor | Age then | Age now | |
|---|---|---|---|
 | Richard Steven Horvitz Billy / Billybot / Harold / Pale Ghoulish Juror / Chippy the Squirrel (voice) (as Richard Horvitz) Birthday: July 29, 1966 | 40 | 59 |
 | 33 | 52 | |
 | 36 | 54 | |
 | 37 | 55 | |
 | Maxwell Atoms I'll Cut You Guy / Pirate #2 / Horrorbot / Burnt Skeleton Guard (voice) Birthday: January 21, 1974 | 33 | 51 |
 | 72 | 91 | |
 | 56 | 75 | |
 | 38 | 57 | |
| 40 | 59 | |
 | 34 | 53 |