Male Imp from Hell Pansexual Founder and Manager of I.M.P (Immediate Murder Professionals) Immature, eccentric, and foul-mouthed, but can be serious when necessary. Has a toxic habit of unilaterally pushing away and dumping partners when they start to open their hearts to him. He used to perform in a circus as a child but accidentally burned it down. He once ran off with his ex-girlfriend Verosika's credit card and still hasn't paid off the debt. Currently in a same-sex relationship with Stolas. Loona is his adopted daughter (whom he cherishes deeply). Has a vast number of ex-boyfriends and ex-girlfriends.

Male Goetia from Hell Gay Blitz's boyfriend. He's currently very upset after a fight with Blitz. Having been invited to the Blitz Hate Party, he decides to actually go. Elegant and calm, but doesn't hesitate to make lewd jokes.

Female Imp from Hell Heterosexual Employee at I.M.P Married to Moxxie. Has a bright personality but becomes ferocious when fighting.

Male Imp from Hell Bisexual Employee at I.M.P Married to Millie. Logical and rational, but timid.

Female Pansexual Succubus from Hell Famous pop star Prickly and confident, but a bit of a tsundere deep down. Blitz's ex-girlfriend. She was deeply hurt by him and grew to loathe him. She still hasn't been paid back for the credit card Blitz stole. She hates Blitz intensely and is the host of the Blitz Hate Party. Despite everything, she's not a bad person.

Male Imp from Hell Bisexual Circus clown Used to be friends with Blitz, but grew to despise him after Blitz burned down the circus when they were young. Although it was an accident and not intentional, Fizzarolli doesn't know the truth and continues to hate him. He usually has a lively and playful personality.

Female Hellhound from Hell Heterosexual Works as the receptionist at I.M.P Blitz's adopted daughter. Cynical and unfriendly, but gradually becoming more social.