Batman’s rogue gallery features its fair share of villains who are strong and evil. One of them happens to be the mysterious Mr. Bloom. Even though he has only one major appearance, he is not a weak character. With a terrifying look with just a flower where his face is supposed to be, he indeed looks like the stuff nightmares are made of. No one even knows his real name, and he certainly does not seem human. So how did this creepy villain become a part of the Batman Universe, and what makes him so strange and equally dangerous? Let’s get right into it.