You've viewed all of your free items on Creativity. To register, get added benefits and unlimited access to articles, Become a Member. Already a Member? Sign in. Home Video Berocca Joel McHale and His Mullet Are Brock Spedwell, the World's Most Motivational Speaker The comedian plays a karate-chopping motivational speaker in JWT New York's new push for Bayer's Berocca energy brand. Become a member We are glad you are enjoying Creativity. You have reached your seventh and last free item. To get uninterrupted access and additional benefits, become a member today. Become a Member Already a member? Log in.