weather) was also worn. In the 1960s, radical intellectuals wore trench coats over black turtleneck sweaters, while some Mods wore trench coats as fashionable overcoats, as an alternative to the fishtail parka or Crombie. Streakers and flashers often prefer trench coats since they conceal the wearers’ lack of undergarments and can be opened quickly when the exhibitionists are ready to expose themselves. While similar, the heavy metal and Goth fashion trend of black oilcloth dusters are incorrectly referred to as trench coats. Early media reports of the 1999 Columbine High School massacre initially associated the perpetrators (Eric Harris and Dylan Klebold) with members of the "Trenchcoat Mafia", a group of outliers who allegedly wore conspicuous black Australian oilcloth dusters. In the copycat W. R. Myers High School shooting days later, it was rumoured the shooter had worn a trench coat. In the wake of these incidents, many public schools in the US forbade students from wearing trench coats, both because of their cultural associations and on the grounds that they could be used to conceal weapons. Popular culture Doctor Who involved trench coats being worn by the Doctor during their fourth, war, thirteenth, and fourteenth incarnations. One was also worn by Sacha Dhawan's version of the Master when posing as a Nazi on the episode Spyfall. Some were also worn by their companion Sarah Jane Smith in The Sarah Jane Adventures, and also by Amy Pond in the episode Vincent and the Doctor and Tegan Jovanka in the episode The Power of the Doctor. Trenchcoats were worn by the title character of Sherlock. The movie version of the Harry Potter franchise featured trench coats worn by Hermione Granger. The Marvel Cinematic Universe features Colonel Nick Fury wearing a single-breasted trench coat of black leather. The film Captain America: The First Avenger features Obergruppenführer/Lieutenant General Johann Schmidt wearing black leather trench coats during World War 2. A brown trench coat is worn by the demonic hero Hellboy. Trench coats were worn by Captain Blackadder, Lieutenant George, Baldrick, Captain Darling, General Melchett, Squadron Leader Lord Flashheart, and The Red Baron. Transformers: Age of Extinction and Transformers: The Last Knight features Crosshairs, a cocky Autobot paratrooper and sniper wearing a green trench coat which enables him to fly with help from parachutes. X-Men Origins: Wolverine features Sabretooth wearing a black trench coat. Two versions of the Joker wore purple trench coats on The