All MasterMind Creations Transformers In-hand pictures of Mastermind Creations R-04 Leo Dux March 23, 2014September 17, 2015 Flap Jack Leo Dux. Feral Rex. Feralcons, Mastermind Creations, R-04 From from the threads of TFW2005. Here are the in-hand pics of Mastermind Creations’ R-04 Leo Dux. Even shown are the glowing visor. Enjoy!