Bane in The Dark Knight Rises wears a variant в—Љ.Peter Quill of Guardians of the Galaxy is introduced in this outfit when exploring a toxic planet, and since the mask is a Collapsible Helmet, he's seen in it a few more times throughout the film.Umbrella Corporation soldiers, so they can look cool while Fast-Roping out the back of a tiltrotor gunship. Kroenen from Hellboy (2004) is dressed in a Nazi uniform, with a black coat and black cap, and a metallic gas mask.Zuckuss, one of the bounty hunters who cameos in The Empire Strikes Back, wears a gas mask because oxygen is poisonous to his alien species, and a longcoat because that's apparently a common fashion among bounty hunters of all species.

For that matter, Darth Vader could serve as an especially stylized example.

The Tatooine-informant alien in Star Wars: A New Hope who ratted out Kenobi and Skywalker to the Stormtroopers in Mos Eisley he was an alien who looked like he had a gas mask, but he definitely had a long coat.

The coat is to hide he looks like a humanoid lizard.

Knights of the Dinner Table: Newt wears this outfit when playing his character Corporal Punishment in Heroes of Hackleague.

Major Maxim, hulking Nazi Super Soldier and main antagonist from the Danger Girl series, wears a similar getup to Kroenen.

He is seen wearing a long coat as part of his Nazi uniform once or twice but eventually trades it in for a significantly less awesome apron.

Partially invoked during the first few arcs of Y: The Last Man: Yorick disguises himself with a gas mask and poncho since his main aim is to disguise his male figure and features, rather than look intimidating or cool.

Neil Gaiman's Sandman both homages Dodd's look and is retconned as inspiring him- though in his case, the 'gas mask' is actually the skull and spinal column of a dead god.

Probably the Ur-Example in fiction, since he's been sporting the look since 1939.

The Sandman, Wesley Dodds, from Sandman Mystery Theatre.

Either way, you are almost certainly living in a Crapsack World if this look is practical or common. Also common attire for Doom Troops thanks to the dehumanizing and vaguely skeletal/insect-like look of gas masks as well as the implication that Weapons of Mass Destruction are in use by one or more sides. Often works as a particularly stylish variant of Hazmat Suit.Д¬an be one sign of a Post Apocalyptic setting with an unlivable environment (see Post Apocalyptic Gasmask for that).

To make it easier to breathe, some models allow you to hook up a motorized air pump to make sure you get enough air. Trench coats or dusters seem to be the preferred apparel, though other kinds of long coats are acceptable. Occasionally, there will be a good reason for this, like the character deals with cold weather and/or toxic fumes on a regular basis, but mostly these characters exist because it looks really cool. Basically any character that wears a gas mask and, well, a longcoat.

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