Green Mustard Entertainment is celebrating the 10th Anniversary of Invader Zim with Invader Con on Mar. 26-27 at the Marriott Century Center on 2000 Century Blvd., Atlanta, GA. 30345. Guests include voice actors Andy Berman, Rikki Simons, Melissa Fahn, and Andy BIrman, plus series writer Eric Trueheart. Also included are an artist alley, dealers room, fan panels, puppeteering, costuming, dancing, dinner with the guests, and more.