Last week, Will Ferrell was on Conan, and he talked about how he used to prank one particular professor in college. View this video on YouTube youtube.com Will said one day his friend encouraged him to crash his class. youtube.com Obviously, Will was down. He would knock on the door, dressed as a janitor, every three weeks. youtube.com Until one day, when the professor confronted him. youtube.com But the professor wasn't pissed. He told Will to keep doing it. youtube.com So Will would come as a janitor once a month. Sometimes with power drills: youtube.com And sometimes he'd "fix" light sockets. youtube.com Will said this professor and the experience allowed him to be himself. youtube.com youtube.com So thank you, literature professor. And thank you, Will, for being you. Tap to play or pause GIF Tap to play or pause GIF Warner Bros.