KomaThunder

KomaThunder (コマサンダー): A top-themed monster under Commander Onibi. He is immune to all Super-1's and Robot Super-1's Thermal Hand attacks due to being constructed out of Ultra Steel. He was armed with a drill for a had used for attacking and burrowing and a claw hammer for his right hand called the Koma Hammer. Destroyed by Super-1's Super Rider Moon Surface Kick.

OOO, Den-O, All Riders: Let's Go Kamen Riders
Due to a change in history caused by Ankh leaving a O Medal behind in 1971, Shocker achieved its goal of world dominion with the Shocker Greeed which defeated the Double Riders, and new members from the various groups that would had manifested in the normal timeline after Shocker's destruction. KomaThunder was among the many monsters who were part of the this alliance. As more and more of the Kamen Riders started appearing and fighting Shocker's forces, Super-1 fought against him once more.

Kamen Rider × Super Sentai: Super Hero Taisen
KomaThunder was revived as part of Dai-Shocker in the "super hero taisen" incident, led by Tsukasa Kadoya/Kamen Rider Decade, rivaling Captain Marvelous/Gokai Red and Dai-Zangyack. However, Rider Hunter Silva of Dai-Zangyack and Doktor G of Dai-Shocker overthrew their respective leaders and joined forces to destroy the Kamen Riders and Super Sentai. The two evil organizations united and faced off against the combined forces of the Sentai and Riders.

Portrayal
In Super Hero Taisen, KomaThunder was voiced by Tomokazu Seki (関 智一).