sentences:  However, in late 2009, both Courtney Love and the members of No Doubt sought legal action against Activision for the misuse of their in-game characters singing or performing songs by other artists, which the musicians believe fell outside of their contract.The ability for the players to create their own avatars was added in "Guitar Hero World Tour", and was based on Neversoft's existing character creation tools from the "Tony Hawk" series.Later games on the Xbox 360 and Wii allowed players to use the respective console's avatars as members of the band.