McFarlane Toys DC Collector Edition Batman vs Killer Croc Volume 3 (The Grim Knight) 7-in Action Figure 2-Pack.The Grim Knight: Ripped from Batman’s greatest nightmares, The Grim Knight™ is his world’s most dangerous vigilante, unafraid to use any weapon and go to any lengths to stop those he deems worthy of death. Armed with the finest arsenal Wayne money can buy, he is now one of the deadliest Dark Knights in existence, second only to The Batman Who Laughs Killer Croc: Born with a rare mutation that made his skin green and scaly and grew his body to grotesque proportions, Waylon Jones was raised by an abusive aunt and bullied relentlessly for his appearance. He briefly worked as a carnival freak under the name Killer Croc, but his misanthropy grew as did his bestial nature, pushing him to a life of crime. As his physical condition and mental state deteriorate, Killer Croc becomes a more bestial foe, increasingly detached from humanity.