this is a old fan oc from .hack series this is Leon(right) and Leois(left) the are the new gen users of the epitaph of Gorre The Machinator. Leon and Leois two of one person, Leon is very much weakling and Leois is very much a protective big brother to Leon and they switch when one is needed. Their user name in this sense actually changes upon which one is using the account
the actual living being is Leon he physically exists in rl. their class is dual caster a which is a embodiment of the adept rouge but for magic users, Leon is a Harvest Cleric and Leois is a Shadow Warlock.