Board Thread:General Discussion/@comment-98.212.174.152-20130330205837/@comment-67.233.240.49-20130416223239

Plus, he got very series during the Alien Force/Ultimate Alien arc, except maybe in AF season 3 and some UA episodes. In the first season of Ultimate Alien he was prepared to kill Kevin, while the original Ben 10,000 mentions that Vilgax (prior to his resurrection by Animo) met a gruesome end at his hand.