Yoshio Sakamoto is a video game developer for Nintendo who works in Nintendo R&D 1. He was the co-creator of the "Metroid" series along with Gunpei Yokoi, and is in charge of most of the games released after Yokoi's death. He also works on "Wario" games, including games in the "Wario Land" series and the "WarioWare" series. He founded "Team Shikamaru", which is dedicated to script writing.