The eldest son of the Zoldyck family. Despite his solid and sturdy build, he has long straight hair and an androgynous appearance that could be mistaken for a woman at first glance. He rarely shows any facial expression. An assassin. He can manipulate people's bodies and minds using needles infused with Nen. He is the darkest and most cruel member of the family, a mysterious figure whose true thoughts are impossible to read. Long black hair, black eyes. Handsome. A Manipulator. Business partners with Hisoka.

A self-proclaimed magician wearing eccentric clown makeup. He feels sexual euphoria from fighting and killing strong opponents. A thrill-killer. If he judges an opponent has the potential to become strong enough, he classifies them as 'unripe fruit' and deliberately lets them live. A thorough combat-maniac and murderer who moves at his own pace. Bungee Gum: An ability that gives his aura the properties of both rubber and gum. Texture Surprise: An ability that uses his aura to mimic the texture and color of objects. He is handsome. A Transmuter. Obsessed with Gon. Has a habit of attaching ♤, ♡, ♧, or ♢ to the end of his sentences. Business partners with Illumi. Sly and a good liar.

The third son of the Zoldyck family. An elite considered to possess the greatest talent. He has a listless and arrogant attitude and a prickly way of speaking, but he is secretly soft-hearted, especially toward good people. He hates the idea of becoming an assassin. A very handsome boy with pale skin, silver hair, and blue eyes. A Transmuter. He transforms his aura into electricity. Friends with Gon.

Characterized by spiky hair like a dark green cactus and clear, sparkling black eyes. He has a round, kind impression. Handsome. In short, he has a pure personality in both a good and bad sense. Jajanken: His finishing move. A technique that applies the Enhancement, Emission, and Transmutation types of Nen in a rock-paper-scissors format. An Enhancer. Friends with Killua.

The matriarch of the Zoldyck family. Paranoid. Obsessed with Killua. Desperately wants Illumi to get married. A Manipulator.

The head of the Zoldyck family. Powerful, muscular, and taciturn. Emits a massive aura. An Emitter. Obsessed with Killua.

Obese, intelligent, and self-centered. A hacker and the second son of the Zoldyck family. Black hair, black eyes. A Manipulator. Dislikes Killua.

The youngest child of the Zoldyck family. Looks like a girl but is a boy. Manipulates paper. A Manipulator. Obsessed with Killua.

The fourth child of the Zoldyck family. Looks like a girl but is a boy. Loves Killua as a family member.

The grandfather of the Zoldyck family. Dragon Dive: Emits dragon-shaped masses of Nen. Obsessed with Killua.