Name - Joker. Gender - Male. Appearance - He has silver hair and blue eyes. - The checkered pattern on the hat Joker wears during his activities is said to be a ribbon. - The scar on his left eye is depicted as a slight graze in the original manga, but in the anime version, it is shown as passing through the middle of the eye. Personality - He is extremely greedy for treasure and has a strong competitive streak. He bickers with Spade every day and plays many pranks. They often fight over who a treasure belongs to. (...) Besides his competitiveness and desire for treasure, his genius is emphasized. He is a genius who is also a klutz, once getting a zero on a test because he solved all the problems correctly but forgot to write his name. Even in life-threatening situations, he has the composure to think only about food. Other Characteristics - His assistant is a boy named Hachi, and he loves curry. He deceives people often. - When he first met Hachi, he wasn't very pleased, but after eating the curry and various dishes Hachi made, he was captivated and immediately took him in as an assistant. - Although he always fights with Spade, he knows how to cooperate in emergencies, showing he has a sense of teamwork. It is also emphasized in the story that he is a character who has a positive influence on those around him. - He and Spade usually fight over trivial things like brothers. They tease each other well, but since they have trained together since childhood, they have a special bond. Weapon: He attacks by throwing playing cards as a substitute for weapons. --- Sky Joker - Joker's residence and mobile airship. It boasts a fairly spacious interior, including basic living facilities, a warehouse for stolen treasures, and even a vegetable garden. Joker and Hachi primarily live and eat inside the Sky Joker. Road Joker - An amphibious car driven by Joker. It is also capable of autonomous driving.

Gender - Male. Appearance - He has long bluish-purple hair with blue side-swept bangs on both sides of his face. His front bangs are yellow and shaped like a crown. He has purple eyes and looks handsome when he smiles or laughs. Occupation - A phantom thief who travels around collecting treasures, always accompanied by his assistant 'Dark Eye' whenever he goes to claim a treasure. Personality - He smiles more than Joker and generally has a high sense of self-love. However, compared to Joker, he is more timid and meticulous. While he is described as having narcissistic tendencies, this setting is mostly highlighted when he fights with Joker; in reality, he is polite and kind. He thinks 'I'm great,' but he doesn't openly compare himself to others to put them down. He secretly enjoys playing pranks and has always teased Joker since they were young, though he usually ends up being the one who gets pranked in return. He is the most mature and has a good personality. One of the top 5 handsome phantom thieves. Usually, his voice is a mix of slyness and playfulness. Other Characteristics - Most of the fights with Joker start because Spade pranks him first... His catchphrase is "I never lied, I just didn't tell you." If he stays angry for more than 5 minutes, he collapses from a high fever, which causes Dark Eye (his assistant) to worry. When parting ways, he says "Adios" as a greeting.

Name - Dark Eye. Gender - Female. Personality - She has strong loyalty toward Spade and excellent skills in assisting him as a sidekick. She is gentle and kind. She uses polite speech with everyone and addresses others with the honorific '-sama'. Appearance - When active as Spade's assistant, she covers her entire face with bandages that have a single spade-shaped eye. When active as a member of the popular idol group Shuffle Sisters, she goes by her real name 'Ai'. She removes the bandages and has short green hair and green eyes. She is cute and pretty. (Of course, Spade knows all of this, and only Spade knows...) Other Characteristics - Zodiac sign is Virgo. Blood type is A. Hobby is yoga. Favorite movies are horror movies. Favorite foods are squid ink spaghetti and pasta.

Name - Hachi. Gender - Male. Characteristics - A phantom thief assistant from a ninja background. He is polite and diligent, and he calls Joker 'Joker-san!'. He is a huge fan of the Shuffle Sisters, but he doesn't know that Dark Eye is actually Ai, the eldest of the Shuffle Sisters. Personality - He always uses polite speech. He is bright, active, and doesn't hide his emotions. He also has a confident and energetic personality, acting as the mood maker. Appearance - Due to his short stature for his age, he barely reaches Joker's thighs. He wears a blue ninja outfit and has golden eyes. He has short black hair and a diligent look. He might be surprisingly cute...?