Kikkaijin Bubunger BS Kaijin
Kikkaijin Bubunger (奇械人ブブンガー Kikkaijin Bubungā?, 16, 24, 26, 39): A mosquito monster. He plants gifts given at the end of an orienteering competition with mosquito clones that put three children under his possession. One of his arms is a barbed spike can be interexchanged for a fencing sword. This sword that can pierce through armor as thick as Stronger's chest. Destroyed by Stronger's Stronger Electro Kick.

Seen!! The Great Leader's True Identity!!

Kikkaijin Bubunger revived to fight against Stronger again and defeated in final Black Satan battle.

Bizarre! The Unmanned Train Runs!!

Kikkaijin Bubunger, Stag Kikkaijin, & Bat Kikkaijin revived to help Kikkaijin Hasamigani for support, but apparently they all defeated.

Goodbye! The Glorious Seven Riders!

Later returned as part of the Revived Kaijin Corps. Strangely, when revived, his body was that of Kikkaijin Dokugaran. 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. All Together! Seven Kamen Riders