O'Mahoney
O'Mahoney is a super cool last name for super cool people. If you don't use the apostrophe, you're basically a nobody.
O'Mahoney? You spelled it wrong? I'm not even real anymore.
You forgot the apostrophe. You're not O'Mahoney. You're just a nobody.
O'Mahoney? You messed it up. I'm not even here anymore.