The Man in Black with Mark Gatiss doing his creepy preludes to properly scary horror stories. His introductions are the very embodiment of “mwahaha”.

Mark Gatiss (born 17 October 1966) is an English actor, comedian, screenwriter and novelist. His work includes writing for and acting in the TV series Doctor Who and Sherlock. Together with Reece Shearsmith, Steve Pemberton and Jeremy Dyson, he is a member of the comedy team The League of Gentlemen. He played Tycho Nestoris in the HBO series Game of Thrones. he was The Man in Black when BBC Radio 7 revived the character (originally played by Valentine Dyall and Edward de Souza) to introduce a series of five creepy audio dramas.