Yoshihiko Toyoshima

Yoshihiko Toyoshima
Employment history: Sega Enterprises Divisions: Sega R&D 2 Sega CS5 Sega PC Smilebit Sonic Team Sega Divisions: Global Entertainment R&D Dept. 1 Sega CS2 Sega Games Sega
Role(s): Programmer

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Yoshihiko Toyoshima (豊嶋 宜彦) is one of the eldest programmers still working at Sega of Japan in recent memory. With works as early as 1987's Penguin Land, he has been a developer on Master System, Game Gear, PC, Dreamcast and Xbox. Around 2003 he was moved to Sonic Team, and is only known to have worked on Sonic games since 2006.

While he most likely programmed games throughout the late 80's and early 90's, his aliases have not been identified. Totoyo, which has a similar name and a history that lines up nicely, is a prominent possibility.

Production history

Games

• Ghostbusters (Master System; 1987)
• Penguin Land (Master System; 1987) — Programmer (as Y.TOYOSHIMA)
• Kujaku Ou (Master System; 1988)
• SpellCaster (Master System; 1989)
• Columns (Game Gear; 1990) — Program
• Ninku Gaiden: Hiroyuki Daikatsugeki (Game Gear; 1995) — Programmer (as 豊嶋 宜彦)
• Virtua Cop (Windows PC; 1996) — Programmers
• Cyber Troopers Virtual-On (Windows PC; 1997) — Programmers
• Virtua Fighter 2 (Windows PC; 1997) — Programmers
• Virtua Cop 2 (Windows PC; 1997) — Network-System Programmer
• Sega Rally 2 (Dreamcast; 1999) — Programmers
• Sega Rally 2 (Windows PC; 1999) — Programmers
• Virtua Cop 2 (Dreamcast; 2000) — Main Programmar
• Hundred Swords (Dreamcast; 2001) — Battle System (as 豊嶋 宜彦)
• Gunvalkyrie (Xbox; 2002) — Event & Front-End Programmer
• Sonic N (N-Gage; 2003) — Programmer
• Sonic Battle (Game Boy Advance; 2003) — System & COM Programmer
• Sonic Battle (Game Boy Advance; 2003) — Mini Game Programmers
• The Rub Rabbits! (Nintendo DS; 2005) — Chief Programmer
• Sonic the Hedgehog (PlayStation 3; 2006) — Programmers
• Sonic the Hedgehog (Xbox 360; 2006) — Programmers
• Mario & Sonic at the Olympic Games (Wii; 2007) — Programmers
• Mario & Sonic at the Olympic Games (Nintendo DS; 2008) — Programmers
• Sonic and the Black Knight (Wii; 2009) — Interface Programmers
• Valkyria Chronicles II (PlayStation Portable; 2009) — Battle Units
• Mario & Sonic at the London 2012 Olympic Games (Wii; 2011) — Programmers
• Mario & Sonic at the London 2012 Olympic Games (Nintendo 3DS; 2012) — Special Thanks
• Sonic Lost World (Wii U; 2013) — Gameplay Programmers
• Mario & Sonic at the Sochi 2014 Olympic Winter Games (Wii U; 2013) — Programmers
• Sonic Runners (iOS; 2015) — Server Programmers
• Sonic Runners (Android; 2015) — Server Programmers
• Mario & Sonic at the Olympic Games Tokyo 2020 (Nintendo Switch; 2019) — Programmers
• Sonic Origins (PlayStation 4; 2022) — Programmers
• Sonic Origins (PlayStation 5; 2022) — Programmers
• Sonic Origins (Xbox One; 2022) — Programmers
• Sonic Origins (Nintendo Switch; 2022) — Programmers

Music

• Gunvalkyrie Official Soundtrack (CD; 2002) — Event & Front-End Programmer