That regression to formality seemed to amuse the millionaire. "Oh, so now it's 'Mr. Mustang' again, hmm? Alright, I suppose it's deserved..." Slowly getting to his hooves, he nodded at his bodyguards, who instantly formed up and opened the doors for him. "... Well, as I said, I'm in Canterlot for some unrelated business, and just wanted to stop in quickly to say hello."