Socrates became a trendsetter. Other philosophers, including Plato and Aristotle and Gus, quickly followed suit, dropping their last names too. And, for centuries after that there would be countless imitators including oltaire, Michelangelo, and, much later, Cher.
Demetri MartinI bought a dictionary. First thing I did was, I looked up the word "dictionary", and it said "you're an asshole".
Demetri Martin