An intrepid researcher has revealed the reason behind his his lifelong quest to learn more about Australia's elusive yowies.

Dean Harrison, from the Gold Coast, has dedicated his life to chasing yowies after he first came across the mythical beast in 1995.

'I wanted answers,' he told Daily Mail Australia. And he was determined to get them.

Over the past 25 years Mr Harrison claims he has had several encounters with the ape-like creatures, known as yowies in Australia, which are similar to the Sasquatch or Bigfoot in the United States.

There have been thousands of reported sightings of the nocturnal creatures in Australia over the past century, he said.

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