Stargate Atlantis co-star Jason Momoa (“Ronon Dex”) will make his first Creation convention appearance this summer when he attends The Official Stargate SG-1 / Stargate Atlantis Convention in Chicago, Illinois, Creation Entertainment announced today.Momoa is the final guest to be added to the list, which also includes Michael Shanks (“Daniel Jackson”), Joe Flanigan (“John Sheppard”), Beau Bridges (“Hank Landry”), Gary Jones (“Walter Harriman”), and Cliff Simon (“Baal”). Shanks is also a new addition this week.The convention will take place August 25 to 27, 2006, at the Wyndham O’Hare hotel. Learn more at Creation’s official Web site.