His legal birth name was Gary and he legally changed it to Garrison:
what kind of person does that?
nobody from Lake Woebegon would.
what kind of person does that?
A insecure lib. Gary sounds ordinary and Garrison has a snobbish elitist ring; it rhymes with 'Harrison'.
It sounds more aristocratic if one's first name is a surname. Never trust someone with two last names.
As Johnny Carson would have said, Did not know that. From now on, I’ll call him “Gary.”