Metallo has tried in Superman/Batman: Public Enemies
He feels that by killing them, he won't be any better than a villain himself. He also feels that it is wrong to kill.
im assuming that youre trying to ask if batman kills his enemies. no, he does not. it is against his moral code, which keeps him from sinking down to the level of the criminals he fights
Yes batman got him in a haedlock and killed but wait Batman doesnt kill so some random off the steet stabbed him
Batman
the batman hates' the joker and cat woman.
Clayface can Kill Batman But not Eat him Batman can eat him.
yes the hulk can kill batman
The Joker
he doesnt have any
Batman, in some cases Superman (Batman Hush).
Batman's worst enemy is the Joker. Another villain is Two-Face