Who started the oh la oh la eh chant?

The "oh la oh la eh" chant gained popularity during the 2004 UEFA European Championship, particularly among fans of the Greek national football team. It is often attributed to Greek supporters, who used it to celebrate their team's surprising success in the tournament. The chant has since been adopted by various football fans around the world, evolving into a universal stadium anthem. Its catchy rhythm and simplicity have made it a favorite at sporting events.