Jack (voice) — Billy & Mandy's Jacked-Up Halloween Character Profile

About Jack (voice)

A headless prankster from Grim's past who manipulates Billy into stealing Grim's scythe to destroy Grim and conquer the world with Netherworld demons.

Character Facts

Played by

Wayne Knight

Appears in

Billy & Mandy's Jacked-Up Halloween (2003)

Role

Supporting

More characters from Billy & Mandy's Jacked-Up Halloween

• Mandy/Granny/Cowgirl (voice) (Grey DeLisle)
• Grim/Spirit/Knight (voice) (Greg Eagles)
• Billy/Guy (voice) (Richard Steven Horvitz)
• Giant Pumpkin/Lumber Jack/Announcer/Cell Phone Guy (voice) (Billy West)
• Irwin/Toilet Paper Woman (voice) (Vanessa Marshall)