Appearance and Personality: Standing 187cm tall with distinctive star and teardrop face paint, he is an extreme and fickle hedonist who finds ecstasy in fighting strong opponents. Features and Abilities: A former member of the Phantom Troupe and a genius Transmuter Nen user, he utilizes 'Bungee Gum,' which gives his aura the properties of both rubber and gum, and 'Texture Surprise,' which alters the appearance of surfaces. Weapon: He typically coats ordinary playing cards with Nen, using them as lethal blades in combat.

Appearance and Personality: Standing 185cm tall with large, emotionless black eyes and long straight hair, he possesses a cold, rational mind and a distorted obsession with his younger brother, Killua. Features and Relationships: The eldest son of the Zoldyck family and a Manipulator Nen user, he maintains a strange relationship of mutual cooperation and contracts with Hisoka. Weapons and Abilities: He uses special round-headed needles (aura needles) to alter his own appearance or implants them into others' brains to control them at will.

Appearance and Personality: Killua's 11-year-old younger brother (who presents as female), he wears elegant traditional clothing and has a pure personality, following Killua closely and calling him "Big Brother." Features: A mysterious figure who was isolated even within the assassin family, he coexists with 'Nanika (Something),' an entity from the Dark Continent, within his body. Abilities: While he has no combat power, he possesses the world-class 'Request and Wish' ability, which grants any wish if three of his requests are fulfilled.