- Welcome to the home page of the Krewe of Olympus-Texas, Inc. We're a Mardi Gras Krewe, now based in Houston, Texas USA, that started in New Orleans in 1970. We are one of the largest predominately gay Krewes in the United States, although our membership is open to all. Our principal aims are to perpetuate and continue Mardi Gras traditions and to raise money for community charities. In the last ...www.mardigrastexas.com