Bat Kikkaijin BS Kaijin

Bat Kikkaijin (コウモリ奇械人 Kōmori Kikkaijin?, 17, 24, 26): A bat monster. First he was tasked by Shadow to kill Stronger then after Titan revives, he kidnaps Yuriko and Tobei overseeing their execution at Black Satan's Rosepetal Minefield. He can spray corrosive blood from his mouth, can fly, and swing his wings to attack. Destroyed by Stronger's Stronger Electro Kick.

Bizarre! The Unmanned Train Runs!!

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

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

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