The South African swimmers are making waves at the London Olympics - the first big wave came from Cameron van der Burgh who had SA expectations on his well-trained shoulders and didn't disappoint.

Remembering his good friend Alexander Dale Oen, who died of a heart attack recently, after winning gold in the men's 100 metres breaststroke in a world record time of 58.46 seconds, has endeared him with the crowds.

But Chad le Clos has become an instant celebrity after beating his hero, Michael Phelps, by the smallest of touches in the men's 200m butterfly. It was probably the most dramatic moment for South Africa at the London Olympics and Phelps for that matter.

The crowd all went 'Awww' when Le Clos sobbed through the national anthem, but while his win could be the most dramatic and special of the Olympics, Britain is not just in awe of the young Chad. His dad is making waves as well.

Natalie Evans of the Mirror wrote: "If they awarded an Olympic medal for being the proudest parent, this man would without doubt win gold. Eecstatic dad Bert le Clos couldn’t contain his joy as son Chad claimed victory in the men’s 200m butterfly....."

The 20-year-old South African swimmer was the shock gold medallist, edging defending Olympic champion Phelps into second place.

Shortly after the surprise win, father Bert produced one of the most memorable moments of the Olympics with an overexcited interview.

Speaking to the BBC, Bert exclaimed: “Unbelievable! Unbelievable! Unbelievable! I’ve never been so happy in my life!” Asked by presenter Claire Balding to describe his emotions, he added: “It’s like I died and went to heaven. Whatever happens in my life now, it is plain sailing.”

Bert le Clos didn't know the interview went out live and has since apologised to his son for the "embarrassing" moment, but young Le Clos is taking it in his stride and said he watched the interview.

The buzz around the pool is now focused on another possible showdown between Phelps and Le Clos in the final of the 100 butterfly.

Le Clos has emerged as one of the stars of the Olympic Games, toppling Phelps in the great American's strongest event. Now the South African is seeking to do the double over the master and his hero and there is no doubt that the crowd will be watching.