My favourite MMO name was always dirty "Wear_U_lyk_a_meatglove" [FIST]
Or
"I_monkd_on_U" [Mmmm]
So I imagine "The Penatrator" would be good for a vanguard
"Slide My Fuel Pipe in" for Starfarer
"[NPC Merchant]" for BMM (incogneto)
And "Slippery Nipples" for Sabre