Board Thread:General Discussion/@comment-11169242-20130907142839/@comment-4974512-20140116185739

I am sorry Shayan, but the main villains in season 4 and 5 are Albedo an Khyber-Vilgax and Eon. In the season 6, the Rooters are the main villains and from season 7, is Unknow, but in season 8, it's probably Vilgax again.