Robert Swire-Thompson is an Australian musician, singer, songwriter, record producer and DJ, best known as the founder and vocalist of the Australian drum and bass and electronic rock band Pendulum, as well as DJ and co-founder of electro house duo Knife Party formed of Swire and Gareth McGrillen. As well as being part of two massive international touring acts, Swire has also lent his vocal talents to the likes of Deadmau5 for the multi platinum single 'Ghosts 'n' Stuff' as well as 'Monophobia', and Eric Prydz on 'Breathe'.