Samuel Ratsch, better known by his ring name Darby Allin, is an American professional wrestler who debuted in 2015 for World Class Revolution. He signed with All Elite Wrestling (AEW) in 2019, where he is a two-time AEW TNT Champion and one-time AEW World Tag Team Champion with Sting. Before AEW, he competed for Evolve, Game Changer Wrestling, the World Wrestling Network, and many other independent promotions.