There are no wrong answers, only your opinions 🙂
Personally, I think an anti-hero is a bad guy that does good things. He might cheat on his wife, steal, gamble, etc, but when it “matters,” he ends up on the side of what’s good.
Han Solo is an example that comes to mind.
Vegeta from DBZ after the Saiyan Saga is an Anti-hero. Fights the bad guys, but only for his own ego.