Yes it is. From Guitar Hero 3 and up are on the Wii. They have unique instruments, but the games don't have the best quality as the Xbox and PS3. The graphics are poor and weak, but still have a good time.
There is a Guitar Hero for Wii, but it isn't exclusive to Wii.
No, not for Guitar Hero (Wii) nor Rock Band (Wii).
It depends. There are lots of Guitar Hero Wii games
Yes, It should.
yes it will for both
Yes it will work Band Hero is the same brand of Guitar Hero.
If it's the guitar FOR the wii, then yes
The Guitar Hero guitar will work RockBand for the Wii, but may not work for Beatles: Rock Band.
Guitar Hero 3 and newer, yes.
yes but not on wii
The Guitar Hero Mic for Wii is more of a controller itself. You need to sync it with your Wii as if it was a controller.
There 12 are including: Guitar Hero (PS2) Guitar Hero II (PS2,XBOX 360) Guitar Hero Encore: Rocks the 80s (PS2) Guitar Hero III: Legends of Rock (PS2,XBOX 360,PS3,Wii) Guitar Hero: Aerosmith (PS2,XBOX 360,PS3,Wii) Guitar Hero: On Tour (DS) Guitar Hero: On Tour Decades (DS) Guitar Hero: World Tour (PS2,XBOX 360,PS3,Wii) Guitar Hero: Modern Hits (DS) Guitar Hero: Metallica (PS2,XBOX 360,PS3,Wii) Guitar Hero: Smash Hits (PS2,XBOX 360,PS3,Wii)