article: Yuji Naka
links: Sonic & Knuckles Sonic the Hedgehog 2 Sonic Rush Sonic Team Shadow the Hedgehog (video game) Sonic Advance Sonic the Hedgehog Sonic Adventure 2 Hirakata, Osaka Sonic the Hedgehog 3 Sonic Adventure Sonic Heroes Sega Genesis Sonic Battle Video game producer Square Enix Sonic the Hedgehog (1991 video game)