Singular Creationist
A gamer who specializes in a certain class or race and will only digress from his specialization in the event of a missing healer or over abundance of said specialization.
Dave: Okay everybody, make your characters.
Tony: I'll be the fighter.
Dave: Tony you singular creationist, play as a mage for once, douche.
Tony: I'll be the fighter.
Dave: Tony you singular creationist, play as a mage for once, douche.