Cruella de Vil
One Hundred and One Dalmatians · 1961
No magic, no army, just a coat she wants very badly
The clown who actually destroyed the world
Editorial estimates on a 0–100 scale, calibrated against every other character in the index. Not official canon.
Kefka spends most of his game as comic relief, a giggling court magician nobody takes seriously. Then he kills his own emperor, moves the statues that hold reality together, and the game's world map is permanently replaced by a ruined version of itself. He is the answer to a question most role-playing games never dare to ask: what if the villain wins in the middle of the story?
He achieved his goal. The rest of the game takes place in the aftermath.
Having destroyed everything, he has nothing left to want, which is what finally makes him beatable.
He is the rare villain who actually destroys the world in the middle of his own story. The second half of the game is played in the ruins.
The clown nobody took seriously destroys the world at the midpoint, and the second half is played in the ruins. Almost no other game commits to that.
One Hundred and One Dalmatians · 1961
No magic, no army, just a coat she wants very badly
Gravity Falls · 2012
A floating triangle that is far worse than it looks