William George Sinclair, better known by his stage name Willy Moon, is a New Zealand singer, songwriter and producer. He is known for his 2012 single "Yeah Yeah", which appeared on the 2012 Apple iPod advert and peaked at number 26 on the UK Singles Chart. In March 2015, Moon and his wife, Natalia Kills, were fired as judges from The X Factor New Zealand for their harsh and offensive comments towards one of the contestants.

Natalia Noemi "Teddy" Sinclair is an English singer-songwriter and actress. She has recorded music under various aliases, most famously as Natalia Kills and Verbalicious. She is currently the lead vocalist of the band Cruel Youth, which also releases music under the name The Powder Room.