Kikkaijin Arijigoku is an antlion monster and an antagonist in episodes 20 and 39 of Kamen Rider Stronger.
Following Titan's second death at the hands of Stronger, Arijigoku was tasked with recapturing an escaped Black Satan scientist named Totaro Tachiki who had an identical appearance to Tachibana Tobei. He later attempts to kill Stronger and his friends by burying them alive to their shoulders and leaving them to die of hunger and thirst. He was destroyed by Stronger's Stronger Electro Kick.
Goodbye! The Glorious Seven Riders!
Later returned as part of the Revived Kaijin Corps. These revived kaijin were destroyed by the 6 Riders.
All Together! Seven Kamen Riders
Shortly after, he was once again revived as part of a new Revived Kaijin Corps. They were all destroyed by the 7 Riders.
Powers and Abilities
He can turn his arm into a drill and use it to spin and dig underground.