Ghetsis or Lysandre.
Giovanni's a racketeer, he does nefarious shit but it's for the sake of money.
Archie and Maxie are environmentalists.
Cyrus had simply given up on reality, and settled on the Distortion World as closest to his ideal world.
Ghetsis had plans for world domination and was willing to sacrifice everything and anything for the sake of that plan.
Lysandre wants to kill everyone because he believes humanity doesn't deserve to exist.
Zinnia went to extreme lengths, but it was for the sake of protecting the world.
Guzma is just lashing out.
Lusamine was brainwashed by jellyfish toxin.
Rose was deluded and impatient.
Sordward and Shielbert are retards in it for the fame.
Penny isn't a villain, and is actively trying to keep things from getting worse.
The twin professors were driven mad in their obsessions.
Kieran is just really mad.
The most evil ones are Lysandre, Ghetsis, Greevil, and Evice.
