Darren "Whackhead" Simpson is a South African comedian and radio presenter working for Primedia, a broadcasting company that owns the radio stations 947 and 94.5 Kfm in South Africa. He presented the morning show, Breakfast Xpress, on 947 in Johannesburg between April 2003 and March 2017, before moving to the Cape Town based sister station of 94.5 Kfm, to present a morning show, Kfm mornings.