Activision
Activision is a american publisher and developer founded in 1979 by Alan Miller and David Crane and Larry Kaplan and Robert A. Whitehead.
This company is responsible for games like Guitar Hero: Warriors of Rock, Guitar Hero III: Legends of Rock, Guitar Hero: World Tour, Guitar Hero Smash Hits e Guitar Hero 5.
Founded in: 1979
Also known as: Mediagenic, Activision Publishing, Inc., Computer Arts