The Grim Adventures of Billy and Mandy Episode 31: Whatever happened to Billy Whatshisname? When Billy displease Mandy she replaces him with Bobby, a kid with his own set o fissues.

The Grim Adventures of Billy and Mandy Episode 31: Just the Two of Pus When Sperg finds out the only cure for his acne is the touch of Grim's arm, he realises that getting to Grim means being nice to Billy.

Cartoon clip from The Grim Adventures of Billy and Mandy episode 25: Grim fails to exact revenge

The Grim Adventures of Billy and Mandy Episode 27: Super Zero Billy wants to be a superhero and take on the evil empire

Clip from The Grim Adventures of Billy and Mandy Episode 56: Mandy becomes a cheerleader

Clip from The Grim Adventures of Billy and Mandy Episode 33: Grim has trouble with an invisible duck

The Grim Adventures of Billy and Mandy Ep 29: A Kick in the Asguard An inadvertent interdimensional exchange program takes Billy to Valhalla while Grim and Mandy meet someone even more obnoxious than Billy is.

The Grim Adventures of Billy and Mandy Ep 29: Test Of Time Billy and Mandy research their history reports firsthand, challenging the course of history forever.

Cartoon shortie from The Grim Adventures of Billy and Mandy: Room Gloom. Billy finds an easy way to tidy his room.