The Nightbrothers are an all-male race of Dathomirian Zabraks, who live under the domineering rule of the Nightsisters. They are raised from infancy to become fierce warriors.

Enlarged irradiated insects that rampage across the American desert.

In Tangent Universe, rogue cell of Nightwing

A loose-knit group of people assembled by the enigmatic Baron Winters whenever the world was threatened by the unknown.

A group of vigilantes led by Nighthawk in opposition to the Global Directorate.

Nightmares are Necro-soldiers in a post-apocalyptic world.

"I don't talk about nightmares. Nobody does." -Joe Thursday

Hulk enemies

Nightmarish creatures that dwell in the Dreaming.

The Night Pride is a sect of the Stuffed Animal Militia known for their tactical ability and feral attack patterns.

Nightshade is a research organization in 2099 rivaling Alchemax. Members included Angela Daskalakis, Miss Pivot and Travesty

A team of supervillains who were originally brought together to be used by The Shroud while he was undercover as a super criminal. The team tended to have a spooky theme.

Nightsisters is a group of witches that use the dark side of the force. The first Nightsister seen in the Star Wars universe appeared in the movie Star Wars: Ewoks: The Battle For Endor. They have since been seen in novels, cartoons, and comics.

The Nightstalkers were a team of vampire hunters / occult investigators made up of Blade, Frank Drake, and Hannibal King.

The Night's Watch is a brotherhood of men sworn to stand guard on the Wall and protect Westeros from all that lies beyond it.

The Night Tribe is a conglomeration of vampires on the planet Earth. They are foes of the Wetworks, a group of soldiers dedicated to eradicating their supernatural presence.

The dreams of the mad, the psychotic and the criminally deranged. Nightwalkers need to be kept out of the way of everybody else (dreaming).

Group of monsters living in the Homelands.

A task forced founded by President John Fitzgerald Kennedy after the debut of the Atom.

Best known as legendary heroes from Krypton and the "Batman and Robin of the bottled city of Kandor". Most seen in the Silver age, the mantles of the Nightwing and Flamebird duo has been used by several individuals throughout history.

Bludhaven police officers taking the law into their own hands in Nightwings absence.

The Nihilistic Order wanted to destroy Captain America.

God-King Arisen Tyrk's being was split into many fragments three of which landed on Tunnelworld joined forces with Ytitnedion and rode upon the Nilffim which were giant birds.

Team from earth-41, they protect their people and their planet from threats that are almost as varied as they are.

Nine little piglets that are pets of the Wizard of Oz and used in his magic tricks.

Three ordinary teenagers, who dressed as Japanese schoolgirls, who wanted to become mercenaries.

The replacement of the original Ninjettes.

Ninth Circle is an international criminal organization and bank. The group was founded by Green Arrow's ancestor, Robin Queen.

A radical oceanic conservationist organization founded by Callum Israel in 2001.

Early 1990's alternative grunge band

Nite Owl and Rorschach were a crime-fighting detective duo in New York City, until the Keene Act and Rorschach's mounting instability ended their partnership.

A group of villains with rejected super powers, banded together for survival.

Water spirits from Germanic and Scandinavian folklore.

Non Lethal Alternative Studies is a research facility funded by the Secretary of Military Preparedness.

The N-Men were formed out of the mercenary group Technet after Gatecrasher was defeated.

A down-on-their-luck crime family that was transformed by the Terrigen Mists.

The Nocturnals are a horror/superhero group created by Dan Brereton.