Hi, I'm John Green, this is Crash Course World History, and today we're going to talk about something that ought to be more controversial, the Renaissance. So you probably already know about the Renaissance, thanks to the work of noted Teenage Mutant Ninja Turtles Leonardo, Michelangelo, Donatello, and Raphael, but that isn't the whole story. Mr. Green, Mr. Green, what about Splinter? I think he was an architect. Ugh, me from the past, you're such an idiot. Splinter was a painter, sculptor, and an architect. He was quite a Renaissance rat.