Why not have a fancy dress party and invite guests to wear Letter G Costumes. Explore this section to find your favourite fancy dress starting with the letter G. Costumes starting with the letter G include Ghostbusters, Gorillas and Geisha's. Stop, Look, Listen and Think with our official Green Cross Code man costume. Based upon the legendary road safety character, this costume is a unique costume idea and is bound to bring some fond memories flooding back. If there is something strange in your neighbourhood then you are going to need our Ghostbusters fancy dress. Whether you have a specific Letter G costume in mind or you are just looking for a few ideas then this is the best place to start and finish your search.