Zeno is an old man of medium height with grey-white hair that stands upon his head and has a Fu Manchu mustache. He also wears alternating signs on his garb that say either "A Kill A Day" (一日一殺) or "Never Retire" ( … 展开

While Zeno is a witty old man, his advancing age has not dampened his quick thinking and speed in battle. Despite his senior citizen status, he is a very formidable tactician and a skilled user of Nen. He always remains … 展开

Zeno is the previous patriarch of the Zoldyck Family. He only had one son Silva, who was born from an unnamed mother, who is a fellow assassin. He is the grandson of Maha Zoldyck. Being a member of the Z… 展开

Zoldyck Family arc
Zeno is first seen when he orders Milluki to let Killua go from the torture chamber. Milluki protests that Killua has not repented his actions, which Zeno states he is aware of. He then tells … 展开