Batman and Friends (and...Others)

Clearly, I am a nerd...and I love it.

An online crossword puzzle with 20 words. Play it free at AgileCrosswords.com.

Clues

His heart is cold as ice.
In the rogues gallery of many, he was in the army before certain experiments changed him forever.
There are myths of ones like him in the sewers, but he is far more murderous.
The first Robin who grew beyond the ol' Bat's wing.
The man who just won't die, thanks to some pools.
Protector of plants in perhaps the most evil way possible.
She toys with the Bat like a game of ___-and-mouse.
He can change his shape in perhaps the grossest way possible.
Once a prodigy of the Bat, he's now wearing what the Joker did once.
Once a scientist whose experiments on a certain kind mammal went terribly wrong for him.
There have been several to take on this mantle, but three have joined the Teen Titans.
"The Man Who Broke the Bat".
Once a psychiatrist, she met her love and fell for his lies, soon succumbing to her own psychoses.
He is a powerful mob boss whose once-wooden mask became burned into his skin.
He uses a type of gas to give people hallucinations of their worst fears.
Delighting in confounding the Batman and the police, he would probably enjoy this website.
The sides decide your fate. Heads: you live. Heads: you die.
He uses the popular Gotham venue, the Iceberg Lounge, as a front for his shady business dealings.
THE MAIN CHARACTER.
Vicious, calculating; murders out of amusement. His relationship with Bats is beyond understanding.