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Notable Aliases: The Impeccable Jarvis, Crimson Cowl, Eddie, Ed
First Appearance: Tales of Suspense #59 (November, 1964)
Butler to the Stark family, Edwin Jarvis went on to be the caretaker of the Avengers Mansion and has laid his life on the line for them several times.
Alter Ego: Dr. Margaret Alexandra "Peggy" Carter
Notable Aliases: The Dryad, Agent 13, Doc, Hera-2, Mademoiselle, Midge, Peggy-Poo
First Appearance: Tales of Suspense #77 (May, 1966) note ; Captain America (Vol. 9) #9 (April, 2019) note
An American agent with the French Resistance during World War II and Captain America's former girlfriend.
Alter Ego: Robert Frank, Jr.
First Appearance: Giant-Size Avengers #1 (August, 1974)
Robert Frank Jr is the mutant son of the WWII superheroes the Whizzer and Miss America. After his mother was exposed to radiation during an accident, Nuklo was sealed away in a time capsule for 25 years, in an attempt to decrease his radiation levels.
Being unleashed from his prison, he battled the Avengers. Despite his lack of intelligence, Nuklo became a powerful threat and even joined the V-Battalion alongside other WWII Superheroes. Whether on his own or in a team, Nuklo is extremely dangerous.
John Jameson III
Alter Ego: John Jonah Jameson III
Notable Aliases: Man-Wolf, Carnage, Colonel John Jameson, John Jameson, Johnny, Johnny Jameson, L'Homme-Loup, Mrs. She-Hulk, Skywolf, Stargod, Vanwolf
First Appearance: Amazing Spider-Man #1 (March, 1963) note ; Amazing Spider-Man #124 (September, 1973) note
John Jameson is an astronaut, a test pilot and for his father J. Jonah Jameson the archetype of a true hero unlike these masked clowns like Spider-man. John has also been transformed into a Werewolf-like creature called the Man-Wolf, and was once host to the Carnage Symbiote.
Dr. Keith Kincaid
First Appearance: Thor #136 (January, 1967)
Dr. Keith Kincaid is the model Odin used for the Don Blake persona he created as a punishment Thor.
- Alliterative Name: Keith Kincaid
- Disposable Fiancé: Was married to Jane Foster whom they had a child together. In part because of Jane's long time feelings for Thor, they ultimately get divorced. Even more apparent when later Keith and his son are killed off in a accident caused when Keith went over a guardrail and crashed while driving. So far he's been Killed Off for Real.
- The Medic: Keith is a medical doctor, which puts him in the same field as Jane Foster and Donald Blake, Thor's secret identity.
- Satellite Character: Kincaid is only important as Jane Foster's ex and the Avengers' doctor.
First Appearance: Black Goliath #1 (February, 1976)
Talia Kruma was a brilliant engineer, architect and designer and a member of the Whiz Kids, a group of scientists working for Bill Foster at Stark International in Los Angeles. She was a very private person, an enigma even to her friends, which was due to her feeling guilt over her lover Neil's death.
Talia was a member of the Avengers Support Crew for a time as a resident scientist.
First Appearance: Captain America #342 (June, 1988)
A mechanic from Wakanda who Captain America recruited for the Avengers support staff.
Alter Ego: Diane Arliss-Newell
First Appearance: Sub-Mariner #5 (September, 1968)
Diane Arliss Newell is the sister of Todd Arliss, aka Tiger Shark, and the wife of Dr. Walter Newell, aka Stingray.
Alter Ego: Michael O'Brien
First Appearance: Iron Man (Vol. 1) #82 (January, 1976) note ; Iron Man (Vol. 1) #97 (April, 1977) note
Michael o'Brien was a police sergeant who believed Iron Man was responsible for his brother's death. After fighting Iron Man as the Guardsman, he discovered his mistake and became an ally to Iron Man and the Avengers. He acted as Iron Man briefly and fought Sunfire and the Mandarin.
First Appearance: Shogun Warriors #1 (February, 1979)
Genji Odashu was one of three co-protagonists of the "Shogun Warriors" series. She was a Japanese professional test pilot and was chosen to pilot Combatra.
Donna Maria Puentes
First Appearance: Captain America #206 (February, 1977)
Donna Maria was a South American revolutionary who, along with Captain America, was captured by the mad scientist Arnim Zola. After dealing with Zola's Primus and Nazi-X androids, she escaped Zola's clutches along with Cap. Captain America was particularly impressed with Donna Maria's fierceness in combat.
Donna Maria later took on a job with the Avengers as part of their ground support crew, and served in that capacity for a time
Notable Aliases: Arnie Roth
First Appearance: Captain America #268 (April, 1982)
A neighborhood friend of a young pre-Captain America Steve Rogers. Arnie Roth normally stood up for the scrawny Steve Rogers when he was bullied by neighborhood Brooklyn toughs.
Arnie served with distinction in World War II as a sailor. He did run into Steve Rogers at this time and marveled that he had undergone such a physical transformation (courtesy of the Super-Soldier Serum that made him Captain America).
Notable Aliases: Raymond Sikorsky (misspelled)
First Appearance: Avengers #235 (June, 1983)
Member of the National Security Council.
- Spell My Name with an S: His name is often misspelled as "Sikorsky".
Alter Ego: Fabian Stankiewicz
Notable Aliases: Mechanaut, Mechano-Marauder, Mechno-Marauder
First Appearance: Avengers #217 (March, 1982)
Fabian Stankowicz is a technical whiz who tried to make a name for himself by attacking the Avengers as the Mechano-Marauder. He would eventually reform as Mechanaut and use his talents to assist the Avengers and Captain America.
- Drugs Are Bad: Was addicted to a drug called "Ice" and became a near vegetable because of it.
- Harmless Villain: When he was a villain, he was ineffective to the point that David Letterman managed to take him out.
First Appearance: Captain America #332 (August, 1987)
When the Commission on Superhuman Activities claimed legal ownership of the title, costume, and shield of Captain America on behalf of the government, Steve Rogers consulted with Inger Sullivan about his legal options. Although Ms. Sullivan had several ideas about possible defenses, Rogers, ultimately chose not to bring the matter into court.
- One-Shot Character: Only appeared in one issue and has never returned.
First Appearance: Quasar #1 (October, 1989)
Gilbert Vaughn is the father of Quasar (Wendell Vaughn).
- The Confidant: Unlike most relatives of super heroes, Gilbert knew about his son's career as Quasar from the very beginning and was often taken into his son's confidence.
Alter Ego: Henry Peter Gyrich
Notable Aliases: Secretary Gyrich, Carrot Top, Bad News Pete, Petey, Pete, H.P.G.
First Appearance: Avengers #165 (November, 1977)
The Avengers's old government liason. Also a gigantic doucebag. Despises all superpowered humans, especially mutants, and aliens. Has often been associated with the Sentinels project.
- Badass Bureaucrat: Has his moments
- Bullying a Dragon: Taunting post-Civil War Iron Man about Cap's then-recent death was a particularly stupid move. Cut to Gyrich announcing his retirement from the Initiative.
- Fantastic Racism: Is very biased against aliens, and whenever given the chance he tries to do something to drive them off Earth, regardless of them being heroes or not. He's also not very fond of mutants, either.
- Good Is Not Nice: Some of his actions have bordered on those of an Anti-Hero, and sometimes just flat-out villain proper, despite working with the heroic Avengers.
- Jerkass: He spent decades being a massive pain in the ass to the Avengers. How bad is he? Captain America can't stand him.
- Jerk Ass Has A Point: The times he stops in onto the mansion are always just after a huge breach in security, from his POV it isn't that unjustifiable that he sees the Avengers as not taking security seriously.
- Hero Killer: Downplayed; Gyrich was the one responsible for depowering Storm in the 80s.
- Karma Houdini: No matter how much grief he causes the Avengers or aliens and mutants on Earth, he never gets punished for it in any notable way. At worst, he got fired from the Initiative and was put in charge of another government project sometime later.
- Karma Houdini Warranty: Abigail Brand(Both an alien and mutant) murders him by sending him out on airlock in S.W.O.R.D #11 (2021).
- Knight Templar: After Crisis Crossover events such as Civil War and Secret Invasion, he took extreme lengths to prevent any further invasions or schisms in the superhero community.
- Never My Fault: After his disastrous run in charge of Camp Hammond, he refuses to take any responsibility for his actions, which led to several deaths.
- Obstructive Bureaucrat: The obstructive bureaucrat, as far as Marvel's concerned.
- Only Sane Man: During one terrifying point during an issue of X-Men, he was this to Project: Wideawake, pointing out antagonizing mutants as a whole might not have been the best idea. Yeah, this guy was the only sane man in the room.
- Pet the Dog: When called out for being 'heartless' he brings up that he took a year off work to take care of his father, who was suffering from dementia and he himself fears suffering from it.
- Rogues' Gallery Transplant: Whenever he's not bothering the Avengers, he can usually be found harassing the X-Men and their associates.
- Screw the Rules, I Have Connections!: Tried doing this after the KIA incident in Avengers: The Initiative. Iron Man's connections trump his, and Gyrich's sent packing.
- Sinister Shades: A general indication of where his moral shadiness is at is the opacity of his specs.
- Sitcom Arch-Nemesis: With Sally Floyd, in Avengers: The Initiative, who always manages to poke through his BS screens.
- Spanner in the Works: When the Avengers and other heroes were busy battling the Dire Wraiths (the sworn enemies of Rom Spaceknight) in their final invasion of Earth, Gyrich found himself manning a giant-sized version of Rom's Neutralizer weapon, intended to be used on the Wraiths (who were busy trying to replace Earth with their "Wraithworld"), but he instead tried to use it to rid Earth of all superpowered beings. Thankfully, mutant inventor Forge (who was also manning the device) stopped him before he could screw everyone else over.
- Sunglasses at Night: He's almost always wearing sunglasses, regardless of how much light there is.
- Teeth-Clenched Teamwork: With Falcon, during Geoff Johns' Avengers run, due to their prior history, and Gyrich's general jerkassery. They get slightly better after the Red Zone incident.
- Too Dumb to Live: During the Dire Wraith war storyline that originated in ROM: Spaceknight and spread out into the rest of the Marvel universe of the time, he stole Forge's prototype recreation of Rom's Neutralizer and used it to depower Storm just because he's an anti-mutant racist asshole. This caused Forge to destroy that prototype and declare he would no longer work on that project... at a time when Earth desperately needed the Neutralizers to fend off the army of shapeshifting, brain-sucking, Black Magic-using aliens that were ravaging the world. That's right; Gyrich nearly caused the extinction of humanity because he couldn't pass up the opportunity to be a jerk and try to depower one mutant who was actively working to help humanity fight off the Dire Wraiths.
- Took a Level in Jerkass: Gyrich was never going to win any personality awards (unless it was "Asshole of the Year"), but during Avengers: The Initiative, he soars to astounding heights of sheer awfulness. He covers up the death of a teenager, has the kid dissected and cloned to make living weapons, had the person accidentally responsible institutionalized and monitored, complains when Trauma finds a way to use his powers constructively, causes the KIA incident, and refuses to admit the whole situation might have for any reason been his fault, doing everything to obfuscate and stall the investigation.
- Tyrant Takes the Helm: His command over Avengers and S.W.O.R.D. was obstructive and often inhibited the heroes.
Alter Ego: Rachel Leighton
Notable Aliases: Ray, Snapdragon
First Appearance: Captain America #310 (October, 1985)
A former member of the Serpent Society, Diamondback is a villainess-turned-hero, a S.H.I.E.L.D. operative, and the former girlfriend of Captain America.
Alter Ego: William "Bill" Foster
Notable Aliases: Goliath, Black Goliath, Giant-Man, Rockwell Dodsworth
First Appearance: The Avengers #32 (Sept. 1966) note ; Luke Cage, Power Man #24 (April 1975) note ; Marvel Two-in-One #55 (September 1979) note ; The Thing #1 (January 2006) note
Brilliant and tough, Goliath fought evil using a variation of the Pym Particles. He was killed during the Civil War by Ragnarok, a clone of Thor. He was succeeded by his nephew, Tom Foster.
First Appearance: Avengers (Vol. 3) #4 (March, 1998)
Duane Jerome Freeman was one of a line of government liaisons to the Avengers. He was one of the most supportive liaisons the Avengers ever had, being a long time fan of the team and having several Avengers collectibles.
- Ascended Fanboy: Duane is a huge fan of the Avengers and even had some collectibles.
- Bald of Authority: He's bald and head liaison of the Avengers.
- Reasonable Authority Figure: He's nice, he's helpful, he's friendly... the first time meeting him, Cap and Iron Man are disturbed by having a government liaison who isn't another Gyrich.
First Appearance: Avengers #343(January, 1992)
Marilla was Luna's nanny, and her mother Crystal's nanny when she was a girl. She was murdered by a brain washed Tony Stark.
- Gonk: The woman is not attractive to look at.
- Killed Off for Real: Killed by Iron Man when he was being controlled by Kang the Conqueror.
- Mundane Utility: Using her powers as a nanny and servant.
- The Rival: To Jarvis during the time they both lived in Avengers Mansion.
- Ultraterrestrials: Is a member of the Inhumans.
Alter Ego: Zachary "Zack" Moonhunter
Notable Aliases: Zach Guildenstern
First Appearance: Captain America #402 (July, 1992)
Moonhunter formerly worked alongside Dredmund Druid and, after crossing paths with Captain America, became a member of the Avengers personal support staff. He is a master pilot, and an occasional werewolf hunter.