Jack O'Lantern (The Grim Adventures of Billy & Mandy)

Jack O' Lantern is a minor antagonist of The Grim Adventures of Billy & Mandy. He was voiced by Wayne Knight and Maurice LaMarche.

Why He Rocks

 * 1) Jack O’Lantern is a cunning prankster who is an enemy of Grim.
 * 2) Wayne Knight and Maurice LaMarche did a good job voicing Jack.
 * 3) His design is unique.
 * 4) He is a fitting antagonist for a Halloween special.
 * 5) He can summon an army of pumpkins.
 * 6) Jack serves as a playable character in the 2006 video game and has his own gameplay style.

Bad Qualities

 * 1) Aside from the video game, he hasn’t had another appearance in the series.
 * 2) Some of his pranks are a little mean spirited.