Takaharu Utsunomiya
From Sega Retro
Production history
- Sonic the Hedgehog 2 (1992) — Executive Supporter
- Sonic the Hedgehog 3 (1994) — Executive Coordinator
- Sonic & Knuckles (1994) — Executive Coordinator
- Sonic the Hedgehog 3 & Knuckles (1994) — Executive Coordinator