Recurring Guest Characters Mayim Bialik 2 guest appearances Dylan Sprouse 1 guest appearances Kyle Weishaar 1 guest appearances Dr. Megavolt 1 guest appearances Kevin Durant 1 guest appearances Tony Hawk 1 guest appearances John Hennigan 1 guest appearances Luchasaurus 1 guest appearances Maddie Ziegler 1 guest appearances Mackenzie Ziegler 1 guest appearances Rick Smith, Jr. 1 guest appearances Jon Rivera 1 guest appearances