Kenji Yamamoto is a games composer and programmer. Yamamoto has been working with Nintendo, DIMPS, Intelligent Systems and Tose. Yamamoto's first published game was Punch-Out!! (1987) released in 1987. Then, Kenji Yamamoto went on to work on Mike Tyson's Punch-Out!! as the composer. Afterwards, Kenji Yamamoto worked on Donkey Kong Country Returns developed by Retro Studios in 2010. Most recently, Kenji Yamamoto was involved in the development of Swapdoodle. At the moment, Yamamoto is working on StreetPass Mii Plaza, which was announced for Nintendo 3DS.