Satoru Okada was a former Nintendo employee who was general manager of Research and Engineering Department. Okada was also directed several games including Metroid, Kid Icarus, and Super Mario Land. He helped create the Game Boy alongside Gunpei Yokoi. After Yokoi left, Okada became the chief developer for handheld systems up through the Nintendo DS. He also designed Nintendo's first handheld console the Game & Watch and the NES Zapper. He retired in January 2010.