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.

Cartoon Network shows ... dress with a flower on it, Mandy is a morbid young girl with a scowl permanently painted on her face. She's constantly irritated by Billy's stupidity, but it isn't ...

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 ...