Yūki Ono is a Japanese voice actor and singer. He was represented by Atomic Monkey and is now a freelancer. His major roles are Josuke Higashikata in JoJo's Bizarre Adventure: Diamond Is Unbreakable, Taiga Kagami in Kuroko's Basketball, Zenkichi Hitoyoshi in Medaka Box, Kaname Tsukahara in Kimi to Boku, Masayuki Hori in Monthly Girls' Nozaki-kun, Jun Isashiki in Ace of Diamond and Ultraman Belial in the recurring Ultraman Series.