Grim & Evil(2001)

Grim & Evil is an American animated series created by Maxwell Atoms that aired on Cartoon Network. The show featured two distinct segments: one following the darkly comedic misadventures of Billy and Mandy alongside the Grim Reaper, and another centered on a villainous spy organization led by Hector Con Carne. Both segments proved popular enough to spawn their own full series—The Grim Adventures of Billy & Mandy and Evil Con Carne—making Grim & Evil a launching pad for two cult-favorite shows. The series blends horror-comedy with absurdist humor, appealing to viewers who enjoyed offbeat animated storytelling with macabre sensibilities.