Yuji Naka had admitted guilt

Yuji Naka, the co-creator of Sonic The Hedgehog, has been found guilty of insider trading. The former Sega and Square Enix developer has been given a suspended sentence of two years and six months, and ordered to pay two fines totalling ¥173 million (around £948,000).

Before joining Square Enix, Naka had a lengthy career at Sega, working as lead programmer on the original Sonic The Hedgehog and eventually becoming president of Sonic Team. He left Sega in 2006 and founded indie developer Prope, who primarily released iOS and Nintendo Wii games.