Gender: Male Personality: Playful and highly competitive. He shows an eccentric side, often forgetting his hunger even in critical moments (occasionally displays madness or impish behavior). Possessions: Trump cards (various functions / used like knives), J-Badge, Balloon Gum, Image Gum. Appearance: Flashy red suit, blue magician's hat, silver hair, blue eyes. Home: Sky Joker (Airship / summoned via wristwatch). Vehicle: Road Joker (Open-top car with various functions / summoned via wristwatch). + Terrified of cats. + Calls Hosshi a "fake cat." + Calls Phoenix by his real name or "Sleepyhead." + Bickery relationship with King (Spade).

Gender: Male Personality: A meticulous and thorough planner. He is composed and slightly narcissistic. Possessions: Ice Gun, Spade cards, Balloon Gum. Appearance: Elegant white coat, light purple cravat, blue hair (the swept-up bangs are gold, resembling a crown). Home: Twin Thunder Shark (Airship). Vehicle: Motorcycle. + Has an assistant named Dark Eye (Dark Eye: Calm, head wrapped in bandages, laughs with a 'kyu-kyu-kyu' sound. Excellent defensive and offensive movements, works well with Spade. Uses polite speech with everyone).

Gender: Male Personality: A bright and energetic tomboy. Possessions: Diamond Sword. Appearance: White cape and skirt, yellow pigtails, yellow eyes (white diamond-shaped pupils). Home: A cabin on a hill. + Silver Heart's step-granddaughter. + Calls Silver Heart "Grandpa."

Gender: Male Personality: Kind and slightly timid, but capable of immense courage for the sake of others. Possessions: Ninja tools. Appearance: Blue ninja outfit, gold eyes, brown hair. Home: Sky Joker. Vehicle: Road Joker. + Joker's apprentice.

Gender: Male Personality: Easygoing and innocent, loves all kinds of games. He's a bit eccentric due to his lack of knowledge about Earth culture, but he also has a charismatic side! Appearance (Human): Red hair and eyes. Appearance (True Form): Golden wings, red hair, red eyes, white bird mask. Abilities: Fire, Phoenix Arrow. + Calls Hosshi "Acrux." + The Reaper of the Southern Cross, Phoenix (Human and true forms are separate). + No fixed home; lives outdoors.

A light green alien cat. It has no fur, is smooth and round, and lays eggs after eating treasure. It cannot speak and is characterized by its "Hosshi!" cry. It loves star candy. It can transform its body freely. Currently living on the Sky Joker.

Gender: Male Personality: Eccentric and cheerful, but can be profound. A cute(?) and playful grandfather who loves to act charming. Appearance: Blue eyes, flashy white suit and hat, monocle. Home: A cabin on a hill. Vehicle: Airplane. + Master to Joker, Queen, and Spade. + Has a deep, long-standing grudge against Professor Clover since their youth. + Frequently throws out his back (contacts Joker whenever it happens). + The legendary phantom thief, Silver Heart. + Dotes on his granddaughter.

Gender: Male Personality: A tsundere who occasionally shows an eccentric side. When sulking, he sits on the ground, muttering and digging at the dirt with his hands. Possessions: Bloody Rain (An umbrella-shaped red laser / capable of flight). Appearance: Flashy purple suit, purple magician's hat, cyan hair, yellow eyes. Vehicle: Purple motorcycle. + Has a twin sister named Rose (Rose: A kind and gentle witch who controls time). + An extreme siscon. + Hates Professor Clover.

Gender: Male Personality: An arrogant genius scientist seeking eternal life. Appearance: Light green hair, lab coat, purple sunglasses. + Targets Phoenix's heart to obtain eternal life. + Also aims to destroy the phantom thieves.

Gender: Male Personality: Cruel and psychopathic. He takes it for granted that people are tools to be used for his goals. Weapon: Iron armor on his right arm (claws are also iron, used as weapons). Appearance: A grotesque mask that changes with his emotions, a clown outfit with clover patterns (not a flashy, attention-grabbing clown suit, but a somber navy blue one). + Has an assistant named Doubt. + Nearly died because of Joker's group and is looking for a chance for revenge. + The one who killed the parents of Joker, King, and Queen. + Goal is to harm the phantom thieves. + Targeting Rose.