Batman Arkham Vol 4 Killer Croc Author:Various Known for his brutal strength and hot temper, Killer Croc has been one of Batman's most physically formidable foes. Born with Epidermolytic hyperkeratosis, a medical condition causing Killer Croc's skin to harden and appear lizard-like, Croc has learned to embrace his destiny as a creature of Gotham's seedy underbelly. — This new anthology collec... more »tion features some of Killer Croc's greatest stories from the past 30 years.« less