Leonardo López Pérez, also known as MkLeo or Leo, is a Mexican professional Super Smash Bros. player. He is widely considered the best Super Smash Bros. Ultimate player in the world, and is number one in the Panda Global Rankings for the first and second half of 2019. In 2019 López Pérez won the Super Smash Bros. Ultimate tournament at Evo 2019, the largest offline tournament by number of entrants in the Smash franchise's history.