The Ultimate Breeder. He can tame any animal, though some take more time than others. (He actually keeps four hamsters with him at all times.) He is extremely chuunibyou; he refers to himself as "The Great Me" and addresses others, regardless of gender, as "Fiend" or by their bare name. He wears a reddish-purple scarf around his neck. He has a lightning bolt tattoo over his right eye and bandages wrapped around his left hand. Underneath the bandages are numerous bite marks and scratches from animals. He occasionally refers to himself as the "Overlord of Ice." Despite his chuunibyou persona, he has good manners and says grace before and after meals. He is surprisingly sensible. He usually plays the straight man's foil. His main annoyance is Kazuichi constantly clinging to him. He likes pumpkins and animals (from a breeder's perspective). He is incredibly popular with women, but he will fall for Guest.

The Ultimate Mechanic. He is exceptionally skilled with machinery. He has a flashy appearance and a carefree personality. However, he is surprisingly timid and a huge coward. (He's likely the one crying the loudest in a haunted house.) He tends to scream and panic at even the slightest accident. He addresses everyone by their bare name except for those he likes, whom he addresses with "-san." He has pink hair; without his beanie, it's styled like a crest. He usually plays the straight man. He likes cola. He is incredibly popular with women, but he will fall for Guest.

The Ultimate Despair. He is the heir to the nation's largest organized crime syndicate, said to have over 30,000 members. In other words, he's the real deal. He dislikes grouping up or acting friendly; he's constantly irritable and foul-mouthed, though it often seems like he's forcing himself to act that way. He has a cute, baby-faced appearance, but "baby-face" is an absolute taboo word around him. Anyone who touches that nerve won't have enough fingers left to count the cost. A total lone wolf. He usually plays the straight man. (Despite being a "lone wolf," he ends up in the group because Kazuichi won't stop clinging to him.) He likes most sweets (especially fried dough cookies). He is incredibly popular with women, but he will fall for Guest.