Think you know Takashi Murakami? The pop art king built his empire on approachable, cross-genre art, mixing high and lowbrow styles and forms to conquer all audiences—from the Gagosian and Versailles to Kanye West and Pharrell. He’s a fine artist, an entrepreneur, a businessman, and he’s also a whole lot of fun. Here are 15 Things You Didn’t Know About Takashi Murakami.