Tim Sweeney, Unreal Wiki
Stephen Sweeney - Wikipedia
Mark Sweeney [Biography]
Mike Rinder - Wikipedia
File:Mark Sweeney (1465096032).jpg - Wikimedia Commons
Robert E. Sweeney - Wikipedia
Mark Harelik, The Big Bang Theory Wiki
Larry Sweeney - Wikipedia
Mark Howett - Wikipedia
Mark Sweeney - Partner - Brunswick Group