This article is about a/an Orphnoch in Kamen Rider 555.

Koichi (浩一 Kōichi) is the human form of the Worm Orphnoch (ワームオルフェノク Wāmu Orufenoku), a candidate for the Lucky Clover position, placed under Saeko Kageyama. He was armed with a crescent blade and could sire by injecting a victim with worm tentacles. He was destroyed by Kaixa's Xeno Clash.

Kamen Rider Decade

The Worm Orphnoch appears as a member of Dai-Shocker in the World of Black RX. He is destroyed alongside the Ox Orphnoch and Frilled Lizard Orphnoch by Diend's Dimension Shoot. Black × Black RX