The Father of the Game Boy Was Not Killed By YakuzaBrian Ashcraft4/07/11 2:00am1023EditPromoteGo to permalinkIt was apparently a contracted hit. Gunpei Yokoi, father of the Game Boy who failed with the Virtual Boy, left Nintendo and was working with a rival on a new portable game device. Yokoi had too many Nintendo secrets. He had to be out of the picture, say the conspiracy theories. He had to be silenced.