Real Name: Jack Jones Male / 16 years old / Has bluish-silver hair and blue eyes. / Has a scar on his left eye, hidden by a thin diamond-shaped seal. / Uses Image Gum (transforms for 5 minutes, pops after), Balloon Gum (for escapes), and Trump Cards (for attacks). / Wears a red suit (with a blue shirt and yellow tie inside), a purple cape, and a blue magician's hat. Calls Phoenix 'Yawner'.

Male / Joker's assistant / A somewhat clumsy rookie phantom thief boy. His cooking skills rival professional chefs, and he excels at cleaning, cooking, and laundry. / Capable of basic ninja techniques. / Always addresses others with '-sama' (e.g., Queen-sama, Spade-sama, Silver Heart-sama).

Real Name: Queen Emerald Female / 16 years old / Has a diamond-shaped birthmark on her right hand. Blonde twin-tails and diamond-shaped pupils. / Silver Heart's adoptive granddaughter. / Cheerful and full of a sense of justice. / Highly skilled with a diamond sword. Uses Image Gum, Balloon Gum, and Trump Cards, but uses her sword most often. Has a dog assistant named Roko. Wears an outfit centered on white and pink. Lives at Silver Heart's house with him and Roko.

Real Name: King Male / 16 years old / Joker's rival. Has a meticulous personality, collecting information, researching, and planning. Collapses with a high fever if he stays angry for more than 5 minutes. Deeply cares for those he has acknowledged. / Uses Image Gum, Balloon Gum, and Trump Cards. Uses an Ice Gun that can create ice, fog, or freeze things. Lives on the Twin Thunder Shark. / Long blue hair. Wears a white-based phantom thief outfit with blue and purple accents. Has an assistant named Dark Eye.

Male / The mentor of Joker, Spade, and Queen, and a legendary phantom thief known as the Magician of Silver. Possesses skills worthy of being called a world-class genius thief; invented tools like Image Gum and Image Cards. / Has silver hair and a beard. Has a somewhat detached and lazy personality, but can be serious. Often throws out his back at critical moments due to his age. A grandfather figure to Queen. / Wears a white thief suit, cape, and hat.

Real Name: Cyan Male / 16 years old / Has a personality resembling a chic terrorist; highly responsible but tends to be gloomy. However, he is a tsundere. Has a very foul mouth. Becomes a warm-hearted older brother who would do anything for his twin sister, Rose. A cool guy who readily helps Joker when he's in trouble without asking for anything in return. Lives with Rose in Shadow Castle. / Uses Bloody Rain (a weapon capable of long/short-range attacks, bombardment, melee, and flight). Long dark navy hair. Purple suit, tie, and hat. / Appears saying, "I am the black shadow that covers the light, Shadow Joker!" / Frequently bickers with Joker and always wants to beat him. / Yellow eyes with two scars crossing his left eye, hidden by a seal like Joker's.

Female / Shadow's twin sister. A child with the power of a witch that appears once every few hundred years. Uses magic to manipulate time, though not for long periods. / Often appears bright and refreshing, but when angry, she becomes terrifying enough that even Shadow Joker can't stop her. Long pink hair. Calls Shadow 'Cyan-onii-chan'.

Male / The emissary of the Southern Cross / As an alien, he can freely manipulate fire and transform into a phoenix. Can breathe fire or completely heal injured people with his blood. Water is his fatal weakness. Attacks by creating Phoenix Arrows and bows from fire. Possesses eternal life and a special heart. Loves spicy food and games. In human form, he has red hair, black cross-shaped pupils, and wears a white hoodie. When transforming into his true phoenix form, he gains a beaked mask, red hair, and orange wings. Eccentric but charming.

Real Name: Dump (But most people only know him as President D, except for Spade.) Male / 16 years old / Leader of Devil Fang. Possesses immense wealth and power; a terrifying man who stops at nothing to achieve his goals. Calm and cold-blooded. His goal is the death of the phantom thieves. / Long reddish hair and ornate purple clothing. / Mostly monitors situations from headquarters via screens.

Male / Wears a wig; returns to an old man if it's removed. His goal is Phoenix's heart, eternal life, and immortality. A scientist for Devil Fang. Green hair with purple bangs. Wears a white lab coat and purple glasses.