Yellmi

Yellmi is an alternate romanization of Illumi Zoldyck, the eldest Zoldyck sibling and a professional assassin in HUNTER x HUNTER.

Yellmi's role in HUNTER x HUNTER

He attempts to control Killua through fear and psychological conditioning, believing that obedience is necessary for his younger brother's survival.

Yellmi's defining actions and relationships

Illumi uses aura-infused needles to alter faces and manipulate bodies, and his alliances with Hisoka make him a recurring threat beyond the Zoldyck family.