It’s a unique look that will make this costume instantly recognizable. Look who I got to meet! Nerd HQ at the Children’s Museum was another pretty cool FREE alternative for folks who couldn’t get tickets for SDCC! Admit it. Because the 80s pretty much defined the rules for all things prep. 1. Ray-Bans (both Wayfarers and Aviators) will never go mortal kombat costumes for women out of style. A 3D printed helmet will complete your outfit.