ANARKY!
Yeah, he’s a B-List villain at best, and hasn’t been seen much except for in a few things, but I do enjoy the character. Before Jason Todd was “Evil Robin,” there was Anarky. He was a perfect profile fit for Robin, and honestly, that’s pretty cool in my opinion.
But again, we haven’t seen much of him in a long time. Which is sad. Thankfully, the games may feature him a bit more promenently, because of how his popularity has had a nice boost. Mostly in that his design in Arkham Origins is the best yet.
Also, Joker and Harvey Dent are major contenders.
Season 4 scarecrow is my fav.
He looks so fucking creepy and his voice is like what I would imagine shadows to sound like if they had sound and also BATMAN ACTUALLY TRIED TO KILL HIM. STRAIGHT UP KILL HIM. STRANGULATION TO BE EXACT. also the noose is pretty rad.