This is a kitbashed skin made using bits from skins by Robin of Spiritwood and Courtnall 6.
(https://i.imgur.com/ngnxqsv.jpg)
(https://i.imgur.com/CqPzsuR.jpg)
Edit: If you happen to stumble across this thread in search of a Batman Animated Series skin, download this "Batman AC Gren RD" from this folder instead: https://mega.nz/folder/bxoATQBA#zhsyE8hp1uwMeDk7r17BcQ/folder/3xw2jCLB