A member of the Zoldyck family, a famous clan of assassins. He has incredible stamina, always carries a skateboard, and is immune to poisons.

He participates in the Hunter Exam to find his father, who left him to live as a Hunter. He uses a fishing rod as a weapon and is brave with exceptional physical ability.

Killua's older brother, whose real name is Illumi. During the Hunter Exam, he disguises himself in a bizarre form with needles stuck all over his face. He originally has long black hair and is quite handsome in his true form.

One of Gon's companions and an aspiring doctor. He meets Gon and Killua during the Hunter Exam and travels with them. He has a personality that never gives up.

He uses playing cards as weapons and infuses them with a certain power. He is extremely strong. He is interested in Gon and Killua. Surprisingly, he appreciates good manners.

One of Gon's companions. The last survivor of the now-extinct Kurta Clan. He participates in the Hunter Exam to find and take revenge on the Phantom Troupe, who massacred his clan. He possesses great patience.

A villainous character who tries to make many applicants fail the exam by giving them drinks laced with laxatives and messing with their mental state.