Derek Francis Jason Johnson (27 January 1950 – 3 January 2020), better known as Derek Acorah, was an English self-styled spiritual medium. He was best known for his television work on "Most Haunted", shown on Living TV (2002–2010). Although he had a successful career in television, many people doubted Acorah's claims as a medium. He also starred in "Derek Acorah's Ghost Towns" from 2005 to 2006. He also starred in "Celebrity Big Brother" in 2017.