It'd be even funnier if multiple people did it when you ran into the NPC in question...
Aram Zay: "I'm Aram Zay, and I need you to..."
Player 1: "Um, excuse me? I'm Aram Zay."
Player 2: "No, I AM ARAM ZAY"
Player 3: "HOW DARE YOU, I AM ARAM ZAY"
And then the GM went home