Walter Koenig, beloved to Trekkies as Chekov, will be one of the Celebrity Guests at Scare-A-Cuse this September.

If you are one of the few still playing Star Trek Online (STO), then you should have received a special offer e-mail today from Cryptic Studios. Players of the game are being given the opportunity to take advantage of a special discount on tickets to the Hollywood Xpo convention. STO players can buy one ticket to Hollywood Xpo, and get a second ticket for free.

A few weeks ago we reported that Star Trek’s William Shatner (Captain Kirk) and Patrick Steward (Captain Picard) would be attending Wizard Entertainment’s Chicago Comic Con. Yesterday, amidst all the crazy San Diego Comic-Con news, Wizard announced that they have added five additional Star Trek guests to their Chicago Comic Con 2010 line up.

As posted on Twitter by The Guild‘s Felicia Day and Sandeep Parikh, Andrew Koenig (son of Star Trek‘s Walter Koenig) has been missing since February 14, 2010. He was last seen in Vancouver, Canada. Jenny Magenta, whom Koenig had been staying with in Vancouver before his disappearance, posted a message last night on Facebook, that read in part: “If you have