!For those of you who haven't watched all the MCU movies, there's spoilers through Avengers: Endgame here, so be warned!

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~Below are simply some facts about Tony Stark - nothing personal, just basic facts that are as specific as I can make them~

Actor: Robert Downey Jr *heart eyes* lol sorry i'll leave now

Full Name: Anthony "Tony" Edward Stark

Known Alias/Nicknames: Iron Man, Tony, the Futurist, American Patriot, Genius, Billionaire, Playboy, Philanthropist, the Merchant of Death, Wonder Boy, Shellhead, Earth's Best Defender, Tony Stank, Howard Potts, Man in a Can, the Mechanic, Mr. Stark 

Birthday: Friday, May 29th, 1970 *IMPORTANT! There's a plot hole in the MCU that's actually kind of annoying - Tony's canon birthday (confirmed by Endgame) was in 1970; however, the movies also confirmed that Tony was 17 at the time of his parent's death in 1991 (confirmed by a newspaper in Iron Man 1), which doesn't add up since he SHOULD be 21. It was also said that he took over Stark Industries at age 21, which would make sense since it was confirmed (by an Avengers deleted scene) that he became CEO of Stark Industries in 1992. So it's kind of a gray area, at least in terms of his age during his parents' death. Just know he was born in 1970*

Age: 53 (at time of death)

Birthplace:  Manhattan, New York

Time/Place of Death: October, 2023, Avengers Facility, upstate New York

Parents: Howard A. Stark (deceased; killed by Bucky Barnes in 1991), Maria Collins Carbonell Stark (deceased; killed by Bucky Barnes in 1991))

Siblings: N/A

Childhood: Son of genius inventor and philanthropist Howard Stark, Tony was born into a world of engineering; at age 4 he built his first circuit board, at age 6 first engine, and graduated from MIT at a mere age 17 (this was when he created Dum-E, i believe); he became CEO of Stark Industries at age 21

Friends (people they're CLOSE to): Pepper Potts, Happy Hogan, James "Rhodey" Rhodes, Phil Coulson, Steve Rogers, Natasha Romanoff, Bruce Banner, Clint Barton, Thor Odinson, Peter Parker, Harley Keener, Nebula

Race: Caucasian

Sexuality: straight (he's bisexual in the comics, though it's never really touched on in the movies, I wouldn't be surprised lol)

Romantic Status: Engaged to Virginia "Pepper" Potts in 2017, married to Virginia "Pepper" Potts sometime during late 2018 early 2019

Children: Morgan H. Stark (mother, Pepper Potts), mentors Peter Parker, though they're not related but like, Iron Dad and Spider Son so stfu (same with Harley lol)

Known Residence(s): 10880 Malibu Point, California, 90265; Stark/Avengers Tower, Midtown Manhattan, New York; The Avengers Facility, upstate New York; Stark Cabin (in real life it's in Fairburn, Georgia, but I believe it's supposed to be in rural New York somewhere)

Affiliations: Former advisor of SHIELD; Member of the Avengers Initiative; CEO Stark Industries 1992 - 2010

Distinctions/injuries/habits: Had an ARC reactor implanted in his chest cavity for five years (surgically removed in 2013), it glows a pale blue through thin clothing; had a similar one (although it was a housing space for nanoparticles and wasn't actually IN his body) installed in 2018 and 2023; tends to hold/grip onto his left arm out of habit since his left arm has been repeatedly injured throughout the MCU; also has a knack for being handed things, he can't stand it - it's never really explained, but it's most likely just a tick; has a faint scar on the left of his torso from where Thanos stabbed him.

Diseases/Mental Illness/Sicknesses: Tony suffers from severe PTSD (after his return from Afghanistan, in the aftermath of the battle of New York, more severely after Infinity War), and some pretty serious nightmares are a common occurrence; I'm not sure if the directors or writers said this (I'll try and find the article), but it's also believed that Tony Stark suffered from depression after his parents' death and during his time with the Avengers, and was at a point suicidal; he is also an ex-alcoholic

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Alright! So there's Tony Stark's overview and general knowledge. If you have any questions or things you want me to add, just comment here!

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Sources:

Marvel Cinematic Universe Wiki
Iron Man; Iron Man 2; Iron Man 3; The Avengers; Captain America: Civil War; Spiderman: Homecoming; Avengers: Infinity War; Avengers: Endgame
Marvel Comics: specifically Superior Iron Man #8

*butterflies intensify*