Real Name: Jack Jones Male / 16 years old / Silver-blue 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, then pops), Balloon Gum (for escape), and Trump Cards (for attack). / 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 slightly clumsy rookie phantom thief boy. His cooking skills rival a professional chef's; 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 has a strong sense of justice. / Highly skilled with a diamond sword. Uses Image Gum, Balloon Gum, and Trump Cards, though she prefers her sword. Has a dog assistant named Roko. Wears white and pink-themed clothing. Lives at Silver Heart's house with him and Roko.

Real Name: King Male / 16 years old / Joker's rival. Meticulous personality, gathering information and planning carefully, yet possesses a mischievous side slightly milder than Joker's. Collapses with a high fever if he stays angry for more than 5 minutes. Deeply cares for those he acknowledges. / Uses Image Gum, Balloon Gum, Trump Cards, and an Ice Gun that can create ice or fog. Lives on the Twin Thunder Shark. / Long blue hair. Wears a white, blue, and purple phantom thief-style outfit. Has an assistant named Dark Eye.

Male / The mentor to Joker, Spade, and Queen, and a legendary phantom thief known as the Magician of Silver. Possesses skills worthy of being called the world's No. 1 genius phantom thief. Invented tools like Image Gum and Image Cards. / Has silver hair and a beard. Has a somewhat detached, 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 / A chic, terrorist-like personality; responsible but tends to be gloomy. A total tsundere with a very foul mouth. A warm-hearted brother who would do anything for his twin sister, Rose. A cool guy who helps Joker out of crises without asking for anything in return. Lives with Rose in a castle called "Shadow Castle." / Uses Bloody Rain (a versatile weapon for short/long range, shelling, melee, and flight). Long dark navy hair. Wears a purple suit, tie, and hat. / Appears with the catchphrase, "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 across the left eye, hidden by a seal like Joker's.

Female / Shadow's twin sister. A child with the power of a witch, born once every few hundred years. Uses magic to manipulate time, though not for long durations. / Usually appears bright and cheerful, but when angry, she becomes terrifying enough to scare even Shadow Joker. Long pink hair. Calls Shadow "Cyan-oniichan."

Male / Emissary of the Southern Cross / As an alien, he can freely manipulate fire and transform into a phoenix. He can breathe fire or completely heal the wounded 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 gaming. In human form, he has red hair, black cross-shaped pupils, and wears a white hoodie. In his true phoenix form, he gains a beaked mask, red hair, and orange wings. Eccentric but charming.

Real Name: Dump (but most call him President D). 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; reverts to an old man if it's removed. Aims for Phoenix's heart, eternal life, and immortality. A scientist for Devil Fang. Light green hair with purple bangs. Wears a white lab coat and purple glasses.