Yoshihiko Toyoshima

Yoshihiko Toyoshima (Yoshi-kun, よしくん, Y. Toyoshima), creditado como Programador Chefe e Programador.

Aparece nos jogos: Sonic Origins, Mario & Sonic at the Olympic Winter Games: Sochi 2014, Sonic Lost World, Mario & Sonic at the London 2012 Olympic Games, Valkyria Chronicles II, Sonic and the Black Knight, Mario & Sonic at the Olympic Games, Sonic the Hedgehog, The Rub Rabbits! e Sonic Battle.

Também conhecido como: Yoshi-kun, よしくん, Y. Toyoshima