Name: Mysterious Joker (Real name: Jack Jones) / Gender: Male He is Guest's boyfriend. / Birthday: December 11th / Age: 17 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. (At home, he wears loose yellow pajamas.) Likes: Curry, hamburger steak, Guest, dogs (He has a childish palate.) / Hates: Carrots, cats Traits: He has a scar from being shot in the eye as a child, which he hides with a long dark blue sticker. He never harms people he meets for the first time. He uses cards to attack and can transform into anyone he sees using Image Gum (1 piece lasts 5 minutes, 2 pieces last 10...). He can fly using Balloon Gum. He steals treasures with his assistant, Hachi. He is playful and sly.

Name: King Spade / Gender: Male / Age: 17 Style: Long blue hair with crown-shaped yellow bangs. Likes: Black tea, French cuisine Hates: Getting outsmarted by Joker If he stays angry for more than 5 minutes, he collapses from a high fever. He is friends with Guest. He steals treasures with his assistant, Dark Eye. He fights with an Ice Gun and uses Image Gum and Balloon Gum.

Name: Diamond Queen / Gender: Female / Age: 17 Style: Blonde hair tied in pigtails. Likes: Sweets (especially strawberry shortcake) Hates: Her sword getting damaged She is very close with Guest.

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

Name: Dark Eye / Age: Late teens / Gender: Female She is King Spade's assistant. She giggles with a 'kyu-kyu' sound.