joker kingJoker King. The Gotham City Mastermind! He is so level-headed and measured in all directions of his approach, but the frenzy in him is caused by only one human. His fascination with batman took him over the roofDr. Brown is a college professor, a certified men’s development coach, and the author of the bestselling book Joker to King. About Dr. Brown> Listen to the Podcast! The Joker to King