Unidogma

Unidogma appeared in 1972 TV series called Kamen Rider. Unidogma (ウニドグマ Unidoguma) is a sea urchin monster of Shocker. He was able to swim, emit thorns from his head that could dissolve humans in seconds, and release flames from his mouth. He was destroyed by Kamen Rider #1's Rider Tailspin Shoot.

He was later revived as part of the Revived Shocker Kaijin (再生ショッカー怪人 Saisei Shokkā Kaijin) to assist Quoit Kuwagata. He was thrown by V3 on to Dokudahlian, exploding alongside it.