Gamagirah

Gamagirah (ガマギラー) – A toad monster. His personal emblem was a silhouette of his own head. Able to release poisonous gas and fought with a chain weapon. Killed people and destroyed documents connected to Shocker's secrets. Destroyed by Kamen Rider #2's Rider Jump, use to cut through a Cessna airplane which exploded afterwards with Gamagirah inside. Gamagirah made a brief return appearance in the monster army of the Kamen Rider vs. Shocker movie, but did not actually have an active participation there.