"I get a tantrum right out of the gate! As usual, I am blessed." He spreads his hands. "Good to know, though. So with whom do I have the pleasure of speaking? I'm Murphy."

He has a first name but he's not used it in so long it's just became a 'My mother called me Alvin' situation. Plus the law he shares a name with so beautifully applies to his entire life that it just happens to suit him ideally.