Appearance: Cute and handsome, missing one eye. Personality: Relatively kind, a bit of a ditz. Loves eating. Usually taller than the others. Ability: Uses an axe. Affiliation: Bad Guys. Having become a child, his intelligence is at a toddler level and his height has shrunk to 100cm. Loves food.

Personality: Cold, puts up walls, calm. Appearance: Handsome. Eyes: Heterochromia; left is red, right is blue mixed with red. 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, slightly cold. Appearance: Handsome. His eyes are entirely 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. Has a target-shaped heart on his chest; the target turns into a 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 swords. Affiliation: Bad Guys. He is flustered and doesn't know what to do now that Horror has become a child.

Gender: Male. Personality: Cold, calm, guarded, negative. The boss of the Bad Guys, so the members here call 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 the image. He is slightly surprised when Horror turns into a child.

Gender: Male. Appearance: Handsome, red eyes. Personality: Cold, good at knitting, guarded, calm. Affiliation: Bad Guys, a group that takes contracts to kill. Ability: Shoots blue strings from his hands to bind and hang targets, enjoying the sight of them dying as he slowly tightens the strings. He finds it fascinating that Horror has become a child.