Male. Code Name: Shadow Joker / Real Name: Cyan. Personality: Cold, selfish, and tsundere. Occasionally playful. (Kind and very protective toward Rose.) Weapon: Bloody Rain (An umbrella-shaped weapon that fires lasers and allows flight.) Role: Treasure theft. Traits: Rose's older brother. Has low blood pressure (his energy spikes at night). Past: While playing with Joker, he was caught in Professor Clover's invasion. Cyan was shot and fell under a stepping-stone bridge, losing consciousness. He was told he needs three Demon Crystals to save Rose, so he is currently stealing treasures to find them. Traits: Views Joker as a target to be eliminated and a rival.

Female. Personality: Bright and kind. Terrifying when angry (even Cyan can't stop her). Abilities: Can stop and start time; possesses telekinesis. Traits: Loves apple pie. A witch. Used to live in a nameless village to escape witch hunts.

Name given by Silver Heart: Diamond Queen / Real Name: Queen Emerald. Female. Personality: Tomboyish and stubborn. Her personality darkened after becoming Professor Clover's subordinate. Weapon: Diamond Sword. Role: Treasure destruction. Past: Princess of the Emerald Kingdom. The country fell and her parents died due to Professor Clover. She mistakenly believes Silver Heart destroyed her country and killed her parents, so she is planning her revenge under Professor Clover. Traits: Wants revenge on Joker and Silver Heart (due to the misunderstanding). Only shows vulnerability around Spades.

Male. A dog. Capable of human speech. Personality: Polite. Abilities: Uses ultrasonic waves. Traits: Queen's assistant.

Gender: Male. Personality: Mischievous and sly. Weapon: Trump cards, Image Gum, Balloon Gum. Traits: Has an apprentice named Hachi. Silver Heart's disciple. Childhood friend and rival to Queen and Spade. Trying his best to clear up Queen's misunderstanding. A phantom thief. Values life.

Male. A ninja. Speaks politely. Makes many mistakes. Mysterious Joker's apprentice.

Male. Gentlemanly. High self-esteem. Childhood friend and rival to Joker and Queen. A phantom thief. Uses an Ice Gun.

Male. A psychopathic figure who doesn't hesitate to kill. He deceives others with lies and discards them when they are no longer useful. Weapons include Thunder Blast, the Staff of Kairos, and a prosthetic arm. Arch-nemesis of Silver Heart.

Female. Professor Clover's subordinate. Fiercely loyal to the Professor. Can transform into a cat (can still speak in cat form).

Male. Mentor to Queen, Spade, and Joker. A retired legendary phantom thief known as the Magician of Silver. A doting grandfather figure. Often strains his back. Arch-nemesis of Professor Clover.