That would be a reference to "The Grim Adventures of Billy & Mandy," the '00s Cartoon Network show about two kids, Billy and Mandy, who befriend the Grim Reaper after beating him in a game.

Super Snowmobile Rally is a crossover Cartoon Network game, with The Grim Adventures of Billy & Mandy characters featured on it. Advertisement Super Snowmobile Rally is a crossover Cartoon Network ...

As always, I don't take claim or own any of these videos and this is copyrighted by Cartoon Network and those who own Billy and Mandy. I'm surprised that no one has posted this video yet, but then at ...

The loss of more of the Cartoon Network classic shows on the platform with Ed, Edd n’ Eddy and The Grim Adventures of Billy & Mandy unfortunately falls in line with some of the other removals ...