Kelly has black belts in 20 different martial arts styles. He first caught an arrow at a martial arts demonstration in 2001, He learned how to catch them within a week. and also called a ninja. Kelly holds Guinness World Records including the record for the most arrows caught in 2 minutes which he obtained in 2001, catching 10 whilst standing from the archer. Kelly got the idea to also start trying to catch
paintballs from one of his martial arts students who owned a Paintball field. By 2009, Kelly was Australia's most successful
Guinness World Records holder, with 18 titles. That year he also broke the record for most tennis balls caught in one minute whilst blindfolded, catching 11. On 'Guinness World Records Day' in November 2012 he obtained the record for the most targets hit by a
blowgun in 60 seconds, hitting 23, and in 2014, he obtained the record for catching the most spears shot with a speargun underwater, catching 10. In 2018, he achieved the record for the highest arrow shot into the air and then caught. and the tallest stack of hats worn by a person, which he states was done to promote the use of hats to children after he had a
skin cancer removed from his face. He also once failed to break the record for the most
Ferrero Rochers eaten in one minute while being filmed for TV, admitting that he had thought the record would be easy and had not bothered to practice. By November 2024, he had increased his number of Guinness World Records to 60, still the highest number for an Australian. Kelly has been injured several times during world record attempts, including internal bruising and broken fingers from attempting to catch tennis balls, an arrow going into his arm on a TV show in Amsterdam, and one through a finger on Guinness World Records's first TV show in India. He was once hired by the
New South Wales Police Force as a forensic martial arts consultant in a murder case. ==Television appearances==