The Crab

The Crab has crab claws for arms. After suffering his crustacean-themed accident, he teams up with the bad guys.

Throughout Thunder Force
He tries killing Thunder Force but later falls in love with Lydia Berman.

Trivia

 * According to him he said the reason why he was Crab was because he was skinny-dipping with his then-wife, and got bit in the groin by a radioactive Crab.