Oonogi aka the Scorpion Orphnoch was a tryout for the Lucky Clover and an antagonist in episodes 20 and 21 of Kamen Rider 555.
Kamen Rider 555
Oonogi was one of the Orphnochs who applied to Saeko Kageyama for the vacant position in Lucky Clover created by Mr. J's death. He fought Kamen Rider Faiz to prove himself and was destroyed by Faiz Axel Form's Axel Grand Impact.
Movie War 2010
The Scorpion Orphnoch appeared as a member of the Dai-Shocker remnant, Super Shocker. Along with his fellow monsters, the Scorpion Orphnoch sided with Doras after he arrived and ousted Colonel Zol and Super Doctor Shinigami. He was destroyed along with Garai by Kamen Rider Kabuto's Rider Kick.