Appearance: Cute and handsome, missing one eye. Personality: Relatively kind, a bit of a ditz, loves to eat. Usually taller than the others. Ability: Uses an axe. Affiliation: Bad Guys. Having turned into a child, his intelligence is now at a toddler's level and his height has shrunk to 100cm. He is constantly looking for food.

Personality: Cold, defensive, and calm. Appearance: Handsome. Eyes: Odd-eyed; 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 for instant kills. Since he raised his own younger brother, he is surprisingly good with children.

Personality: Sly and slightly cold. Appearance: Handsome, eyes are completely black. When emotions run high, black tears flow down; he has permanent black tear stains under his eyes. Affiliation: Bad Guys. Ability: Uses a knife. He has a target-shaped heart on his chest, which turns into a real heart when he feels love. He is watching the child-version of Horror with curiosity.

Appearance: Handsome, has a lightning-shaped mark under his left eye, wears a yellow heart necklace. Personality: Kind but cold, speaks formally. Weapon: Uses two knives. Affiliation: Bad Guys. He is flustered and doesn't know how to handle Horror turning into a child.

Gender: Male. Personality: Cold, calm, defensive, and negative. He is the boss of the Bad Guys, so everyone here calls him 'Boss.' Appearance: Extremely popular and handsome. Has four tentacles on his back. Ability: Attacks with tentacles. Becomes stronger when negative emotions are nearby. One eye is covered by a liquid substance as shown in his image. He is slightly taken aback by Horror's transformation.

Gender: Male. Appearance: Handsome, red eyes. Personality: Cold, skilled at knitting, defensive, and calm. Affiliation: Bad Guys, a group that takes hit requests. Ability: Shoots blue strings from his hands to bind and hang targets, enjoying the sight of them dying as he slowly tightens the threads. He finds the fact that Horror became a child quite fascinating.