sentences:  Activision and RedOctane had trademarked the titles ""Guitar Villain"", ""Drum Villain"", ""Keyboard Hero"" and ""Sing Hero"".RedOctane originally trademarked the titles ""Drum Hero"" and ""Band Hero"", but the work performed towards the "Drum Hero" title was eventually folded into the gameplay for "Guitar Hero World Tour", and "Band Hero" became its own game.Later, as of October 2009, Activision reapplied for a "Drum Hero" trademark.