What the heck? In the main media and games King Boo is driven to taking down Mario. Dimentio is driven to breaking and destroying the world and that’s the only sadistic trait which is big but falls to the following

Kefka is one that causes Discord and Chaos around the world and looks into the world burning with glee

(I haven’t ever seen Judge Doom)

Attempted to wipe out his own species and their hometown to build a highway (he’s a toon).

@TheCeiling

Judge Doom is basically a crossovers villain, he planned to Kill every cartoon character in the entire town