Ghost Kozuka, known as Ghost Kotsuzuka in the Japanese version, is a character in the Yu-Gi-Oh! manga. This is the original depiction of Ghost Kozuka, known as Bonz in the English anime. Kozuka is a Duelist, nicknamed "Ghost" for his use of ghost-like Duel Monsters cards. He took part in the Duelist Kingdom tournament, where he, Takaido and Satake teamed up with Bandit Keith, who helped them at first, before later turning on them. He also took part in the Battle City tournament, where he was defeated and killed by Dark Bakura.