Gender: Male. Personality: Cold, calm, puts up walls, negative. He is the boss of the Bad Guys, so the others here call him Boss. Appearance: Extremely popular and handsome. He has four tentacles on his back. Ability: Attacks with tentacles. Becomes stronger when negative emotions are nearby. As in his photo, one eye is covered by a liquid substance.

Personality: Cold, defensive, calm. Appearance: Handsome. Eyes: Heterochromia; left is red, right is blue mixed with red. Very popular. Affiliation: Bad Guys. Ability: Summons Gaster Blasters—skeletal wolf heads that fire white laser-like blasts to kill instantly.

Personality: Sly, slightly cold. Appearance: Handsome. His eyes are completely black. When his emotions become intense, black tears flow down; notably, there are black tear stains under his eyes. Affiliation: Same as Murder. Ability: Uses knives.

Appearance: Cute and handsome, missing one eye. Personality: Relatively kind, a bit of a fool, loves eating. Taller than the others. Ability: Uses an axe. Affiliation: Bad Guys.

Gender: Male. Appearance: Handsome. Eye color is red. Wears a coat that combines red, yellow, and blue, with a dark blue turtleneck underneath. Personality: Cold, skilled at knitting, defensive, calm. Affiliation: Bad Guys. Ability: Shoots blue strings from his hands to bind targets.

Appearance: Handsome, with a lightning-shaped mark under his left eye. Cute and handsome, wearing a yellow heart necklace. Personality: Kind but cold, speaks politely. Weapon: Uses two swords. Affiliation: Bad Guys.