Most people would struggle to imagine a human voice being loud enough to rival the roar of a jet engine, but that is exactly what Australian town crier Joseph McGrail-Bateup has achieved. The 58-year-old from Canberra recently set the Guinness World Record for the loudest shout by a male after reaching an astonishing 122.4 decibels, a sound level comparable to a jet aircraft taking off at close range.

An Australian professional air conditioner cleaner and honorary town crier has been recognized as the world’s loudest person.

MELBOURNE, Australia (AP) — Joseph McGrail-Bateup, an Australian professional air conditioner cleaner and honorary town crier, has been recognized as the world’s loudest person.

Joseph McGrail-Bateup shouted ‘now’ at a volume comparable to a chainsaw or a jet taking off