International Costumers' Guild: - The International Costumers' Guild (ICG) is an affiliation of hobbyist and professional costumers, dedicated to the promotion and education of costuming, including cosplay, as an art form in all its aspects. Incorporated in 1989, the ICG brings hobbyist and professional costumers from around the world together, and fosters educational and social costume events. The ICG welcomes everyone with an interest in the art of costuming. Members include cosplayers, historic re-enactors, professional, educational and community theatrical costumers, science fiction fans, renaissance festival participants, and a all those who are interested in the making, wearing, performance, and display of costumes.