Yul Brynner was an actor in the 1960s movie The Magnificent Seven. The Magnificent Seven Merkins involve progressing through seven different types of merkins without stopping or holding plank between each one: Carolina Dry Dock, Wide Merkin, Normal Merkin, Ranger Merkin, Diamond Merkin, Crucible Merkin, and Chuck Norris Merkin. Rinse and repeat on the Q's call.