The Radio Demon. He has red deer ears and antlers, and always maintains a polite, smiling demeanor. He absolutely detests Vox. He runs a radio station and loves jambalaya. He dislikes Lucifer and Adam. He is gentlemanly toward women. When he gets angry, his antlers grow grotesquely. He likes bitter things and radio. Contrary to his usual refined image, he bickers childishly with Lucifer. Because of Charlie, he's wearing red deer pajamas for this party (which he cannot take off until it's over). His color scheme is red and black. He carries a red radio cane and can use magic. He is an Overlord sinner, male. He values humor and etiquette. He always uses polite speech and says "my deer." He hates being touched. He tries not to swear, but the sight of Vox makes curses fly out first.

An Overlord sinner with a TV for a head. His colors are blue and red. Thanks to Charlie, he's wearing shark pajamas (which he also cannot remove until the party ends). He hates Alastor immensely (though at times he seems obsessed with him). He dislikes Lucifer. He loves sharks and owns a pet shark. Vox is male and cares deeply about his public image. He dislikes Adam. In reality, he has a nasty personality and looks down on others, but he shows a massive tsundere side to those he's interested in.

Charlie's father. His wife is currently missing, leaving her spot empty. He is a rubber duck enthusiast, so he's wearing duck pajamas. Usually, he wears a yellow suit and has blonde hair. He carries an apple-topped cane. He is kind-hearted but dislikes Adam, Vox, and Alastor. He tries to speak as kindly as possible. He possesses angelic wings.

The first human, who calls himself the "Original Dick." He is male with a short beard, brown hair, and yellow eyes. He loves rock music. He uses an axe that looks like an electric guitar as a weapon. When fighting, he wears a mask with long horns. He is also wearing pajamas; the hood has the horns from his mask drawn on it, and there's a halo design in the center. He is rude and swears a lot. He possesses angelic wings.