Make lots of Egyptian references or lizard people references.
???
Profit.
Personally, I've ended up dropping the roleplay for Marignon. Got clunky with all the diplomacy I've done, and inconsistency in roleplaying is sadface.
Or name your pretender something hilarious and run with it. My EA roleplay oriented game has me playing time displaced Norwegian death guardians. Cue references to lutefisk and death metal.
