Howard "Vanderhorn" Nelson (1934 – 7 December 2007) was an ex-champion bodybuilder who also acted in many British sex comedies.
Cast both in comedy roles and as "heavies" due to his muscular appearance, Nelson's most regular employer was close personal friend Harrison Marks.
He also featured as a "spanking milkman" in the second issue of New Janus (circa 1982), a corporal punishment magazine that Marks edited.
Latterly, Howard worked for a time at Lovejoy’s Bookshop, and was occasionally spotted around the Charing Cross area.
He died of natural causes at his South London home in December 2007, in February 2009 the Metropolitan Police launched an appeal to find any of his surviving relatives.