Emperor Mandelbrot’s role is analogous to that of Master of Ceremonies at a wedding. He’s the official host of the event, and even though he doesn’t speak, he oversees the year long game and has a forbidding presence. We saw his home, the flying palace of Castalia, a few days ago.
Here’s Emperor Mandelbrot. Or, to give him his full title, His Royal Highness, Emperor Commissaire de Spielen, Von Unglai D’Acheera Nakk-oo Mandelbrot.