Tick Tock is That a Croc?

 Killer Croc was a kid with a terrible skin condition and grew up to be in a freack show being called "The Killer Croc.He dreamed of being a proffesinal criminal so he went to Gotham but after a unwanted encounter   with Bane well things went down hill.He recovered but he got the instinks of a reptile,
the abiltity to hold his breath longer and the taste for human flesh.