Billy (The Grim Adventures of Billy & Mandy, seasons 5 and 6)

Billy is one of the two title characters from  and voiced by Richard Steven Horvitz. He along with Mandy are the owners and best friends of the Grim Reaper. Unlike Mandy's sinister, yet calmer personality, Billy displays a dimwitted, yet happy-go-lucky personality.

Sadly, he was flanderized when came out. Even in the crossover special episode with ' titled ', his flanderization was still kept as is and never once redeemed, thus, officially ruining his entire character.

Why He Sucks

 * 1) Unlike his personality in seasons 1-4, he is much more dumber and has done many idiotic acts than he already did. In seasons 1-4, he was much more carefree and cheerful, but here, all of that is pretty much out the window and he only acts beyond moronic towards Grim, Mandy, and General Skarr just for fun.
 * 2) He along with Mandy are huge bullies towards Grim.
 * 3) In the episode "The Love That Dare Not Speak It’s Name", he assaults Grim just because Blandy had a crush on Grim instead of him.
 * 4) It is revealed that he poops in General Skarr's garden and eats his flowers.
 * 5) He does much more grosser things than he already did.
 * 6) In the episode "Be A-Fred, Be Very A-Fred", he blames Grim for making Fred Fredburger cry when it was actually his fault along with Mandy.
 * 7) He was at his worst in the episode "Everything Breaks", where he says that he smashes stuff just because he thinks it's fun.
 * 8) He was much meaner to Jeff in the second film Billy & Mandy: Wrath of the Spider Queen, where he refuses to have Jeff marry Velma and calls her ugly.
 * 9) He refuses to follow Grim and Mandy's orders.
 * 10) He also acts like a huge jerk towards Mandy at times as well, despite the fact that they’re friends.
 * 11) He is responsible for everything that occurred in The Grim Adventures of the KND. The only difference is that Mandy was just speeding things up.
 * 12) He along with Mandy barely get punished for their actions.

Redeeming Qualities

 * 1) He was much better and more tolerable in seasons 1-4.
 * 2) He still has a few funny moments here and there.
 * 3) There were still a few moments where he cares about Grim and Mandy.