Greg Proops is a stand-up comedian, also well-known for his improv comedy on the show "Whose Line is it Anyway?". He also currently hosts his own podcast called "The Smartest Man In The Worl... Read allGreg Proops is a stand-up comedian, also well-known for his improv comedy on the show "Whose Line is it Anyway?". He also currently hosts his own podcast called "The Smartest Man In The World".Greg Proops is a stand-up comedian, also well-known for his improv comedy on the show "Whose Line is it Anyway?". He also currently hosts his own podcast called "The Smartest Man In The World".