Michael C. Vaughn is a fictional character on the television series Alias. Played by Michael Vartan, Vaughn is one of Sydney Bristow's co-workers and her ongoing love interest. He, like Sydney, is skilled in a variety of areas. His language abilities, shown in various episodes, include French, Spanish, Italian, and others.Throughout the first three seasons, his code name was BoyScout; from season four on, it was Shotgun. In season five, Vaughn's birth name was revealed to be André Micheaux.