Omar Mijares is a retired Venezuelan professional wrestler, best known by his ring name Omar Atlas, who competed in North American and international promotions including the National Wrestling Alliance, Stampede Wrestling and the World Wrestling Federation from the late 1950s until the early 1990s. A longtime ally of Mexican wrestler Cyclone Negro, he was often billed as his younger half-brother Omar Negro when teaming with him in NWA Southwest Sports during the 1960s and later in Championship Wrestling from Florida during the 1970s.