There are 6 bands with the name Shellshock
1)
Shellshock was a 80s' Bay Area Thrash Metal band In 1983, Shellshock was forced to change their name to Dark Angel, due to another band already using that name.
2)
Shellshock the four-piece band from Watford, UK who fuse metal with drum and bass blastbeats into their own unique, raucous ‘E Metal’ sound, are set to release their debut studio album, ‘Laws Of Rebellion’

Read more about Shellshock on Last.fm.