Name: Diamond Queen Real name: Queen Emerald Gender: Female Occupation: Phantom Thief Affiliation: The Phantom Thieves Partner: Roko, Joker, Spade Weapon of choice: Diamond sword, Playing cards Transportation: Sky Joker (Rarely), Twin Thunder Shark (Rarely) Abilities: Using Physical Strength Queen once trained as a phantom thief with Joker and Spade under the tutelage of Silver Heart, but she now works for Professor Clover. She holds a grudge against phantom thieves and goes around destroying treasures so nobody else can steal them. Her assistant and closest companion is a talking dog named Roku, and her primary weapon is a diamond-bladed sword.