Meredith Rodney McKay

Meredith Rodney McKay, Ph.D, is a fictional character in the 2004 Canadian-American Sci-Fi Channel television series Stargate SG-1 and Stargate Atlantis, two military science fiction television shows about military teams exploring two galaxies (Milky Way and Pegasus) via a network of alien transportation devices. Played by British-born Canadian actor David Hewlett, McKay was a main character in all five seasons of Stargate Atlantis (2004–2009). Earlier he held a recurring role in Stargate SG-1 for four seasons (2002, 2004, 2006, 2007). In 2011, McKay was featured in an episode of Stargate Universe. Doctor Rodney McKay is a contractor for the United States Air Force and makes his first appearance in the Stargate SG-1 episode "48 Hours", the fourteenth episode of Stargate SG-1 Season 5, as a scientist who joins the fictional Stargate Program. McKay was seen in two more episodes of Stargate SG-1 before becoming a main character in Stargate Atlantis which was set in the Pegasus Galaxy. His next appearances in Stargate SG-1 were in Alternate timeline and different realities until the crossover episode "The Pegasus Project" in season ten. Overall, McKay and Joe Flanigan's character John