Not just another comic convention, Silicon Valley Comic Con, presented by Steve Wozniak, brings pop culture and technology together for a three-day celebration of geek culture. The star-studded list of special guests includes Back to the Future's Michael J. Fox, Christopher Lloyd and Lea Thompson, Star Trek's William Shatner, Karen Gillan (Doctor Who), Jeremy Renner (The Avengers), Nathan Fillion (Firefly), John Heder (Napoleon Dynamite) and more. The legendary Stan Lee headlines the roster of comics creators, while author Andy Weir (The Martian) and NASA's "Mohawk Guy," an engineer on the Mars Science Lab mission, are a few of the other wide-ranging guests. In addition to taking in the entertainment, cosplay and comics galore, you'll have a chance to check out the latest cutting-edge gadgets as Silicon Valley Comic Con takes over the San Jose Convention Center.