Sega Pro was created in 1991.
Sega Nomad was created in 1995.
Sega Genesis was created in 1990.
Sega Rally was created in 1994.
Sega TeraDrive was created in 1991.
Sega Force was created in 1992.
Sega Zone was created in 1992.
Sega Swirl was created in 1999.
Sega Power was created in 1989.
Sega Visions was created in 1990.
Sega Ninja was created in 1985.
Sega Pico was created in 1993-06.
Sega Superstars was created on 2004-10-22.