Batman is a lot of things: superhero, anti-hero, detective, scientist, billionaire.

One thing he isnt, according to voice actorKevin Conroy, is a killer.

He doesnt cross that line.

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Credit: Warner Bros. Animation; Clay Enos

Batman is not a killer.

This was not the case with Ben Afflecks iteration.

Its a brilliant idea.

But the fact that Batman never kills anyone I loved that fact.

I liked Michael Keaton and I like what Ben Affleck is doing with it now.

But they couldnt be more different.

Read more of Conroys tips for playing the character onIGN.