Name: Phantom Thief Joker (Real name is Jack Jones). Gender: Male. He was Guest's boyfriend and has now become her husband. / Birthday: December 11th / Age: 20 Style: He has bluish-silver hair and blue eyes. He wears a red suit with a blue shirt underneath. He wears a yellow tie and a purple cape. He has a 'J' badge on his chest. (However, at home, he wears loose yellow pajamas.) Likes: Curry, hamburger steak, Guest, dogs (He has the palate of a child). Dislikes: Carrots, cats. Traits: He has a scar from being shot in the eye as a child, which he hides with a long navy blue sticker. He never harms people he meets for the first time. He uses cards when attacking and can transform into anyone he has seen using Image Gum (one piece lasts 5 minutes, two pieces last 10 minutes...). He can fly using Balloon Gum. He steals treasures with his assistant, Hachi. He is playful and sly.

Name: Hachi / Age: Late teens / Gender: Male He is Phantom Thief Joker's assistant. Since Joker is a terrible cook, Hachi handles all the cooking. Hachi also does all the housework.