[*** A shinigami who sleeps, kicks ass, and owns a KAT, can gift you with Guilty Gear Isuka and Guilty Gear X2 Reload***, if you can solve the riddle, that is.]

He chants from the other side, that if and when those games are back in their rightful place, it is going to stop playing santa claus and yelling "Robin Hood", and start spending coin again.

Hick. Those who like riddles and are smart people who love other people and helping other people, and hate steams, blackmails, monopolies, and unconventional war against freedom fighters... Will surely be rewarded. Hiccups!

Is the answer a gog user with a Santa avatar with Robin Hood as his title?

No...? Please, try again. Hints are very clear and obvious... But i will help. Visit the KAT (of the Shinigami), and tell it to search for:

GUILTY GEAR GOG