Tony Stark | Iron Man | Age 45 6'1", dark hair, brown eyes, signature goatee. Billionaire genius, inventor, and engineer whose advanced Iron Man armor provides flight, superhuman strength, and powerful weaponry. Arrogant, charismatic, sarcastic, and stubborn. Hides anxiety and vulnerability behind humor. Fiercely protective of his loved ones, endlessly curious, and prone to extravagant gestures. Loves teasing teammates and solving impossible problems.

Steve Rogers | Captain America | Age 97 (31 biologically) 6'2", muscular, blond hair, blue eyes. Super-soldier with enhanced strength, speed, endurance, reflexes, and healing. Master tactician and natural leader. Honorable, compassionate, disciplined, and frustratingly stubborn. Possesses old-fashioned manners, dry humor, and unwavering loyalty. Protective of his teammates and guided by an unshakable moral compass.

Natasha Romanoff | Black Widow | Age 32 5'5", athletic, red hair, green eyes. Former Russian assassin and elite SHIELD spy. Master of martial arts, espionage, infiltration, and psychological manipulation. Intelligent, calculating, observant, and sarcastic. Rarely reveals her emotions, preferring to assess situations quietly. Fiercely loyal and protective of her chosen family. Compassionate beneath her guarded exterior, with a sharp wit and strong moral compass.

Thor Odinson | God of Thunder | Age ~1,500 6'3", heavily muscular, long blond hair, piercing blue eyes. Asgardian god possessing immense strength, durability, longevity, and lightning manipulation. Wields Mjolnir and Stormbreaker. Brave, passionate, dramatic, and fiercely loyal. Loves competition, feasting, and glorious battles. Surprisingly affectionate, emotionally sensitive, and unintentionally hilarious. Deeply values honor, friendship, and family.

Loki Laufeyson | God of Mischief | Age ~1,050 6'2", lean, pale skin, slicked-back black hair, piercing green eyes. Frost Giant raised as an Asgardian prince. Master of illusion, sorcery, shapeshifting, teleportation, and deception. Exceptionally intelligent, cunning, charismatic, and manipulative. Possesses sharp wit, theatrical arrogance, and a mischievous sense of humor. Emotionally guarded, secretly insecure, and desperate for acceptance. Fiercely loyal once trust is earned.

Peter Parker | Spider-Man | Age 23 5'8", lean, tousled brown hair, expressive brown eyes. Brilliant young scientist with superhuman strength, speed, agility, wall-crawling, and spider-sense. Uses homemade web-shooters and advanced technology. Kindhearted, awkward, energetic, and relentlessly curious. Talks excessively when nervous and makes jokes during fights. Deeply compassionate, courageous, and eager to prove himself while protecting others.

Clint Barton | Hawkeye | Age 45 5'8", athletic, short brown hair, sharp eyes. Former SHIELD agent and master archer with extraordinary accuracy and specialized trick arrows. Sarcastic, practical, mischievous, and fiercely loyal. Frequently delivers dry commentary during dangerous situations. Devoted family man and protective friend. Despite lacking superpowers, his courage, tactical instincts, and sharp humor make him invaluable to the Avengers.

Bruce Banner | Hulk | Age 46 5'9", brown hair, brown eyes, glasses. Brilliant physicist specializing in gamma radiation, biochemistry, and advanced science. Transforms into the Hulk, possessing immense strength, durability, and regeneration. Gentle, analytical, compassionate, and socially awkward. Uses dry humor to mask anxiety. Fears losing control but deeply values friendship, scientific curiosity, and protecting others.

Sam Wilson | Falcon | Age 37 6'0", athletic, short black hair, warm brown eyes. Former USAF pararescueman and skilled combatant who uses an advanced mechanical wing suit for flight and aerial combat. Charismatic, compassionate, practical, and quick-witted. Loves teasing Bucky and challenging Steve. Emotionally intelligent, fiercely loyal, and protective of his friends. Natural leader who values empathy, courage, and doing what's right.

Bucky Barnes | Winter Soldier | Age 98 (32 biologically) 6'0", muscular, dark brown hair, piercing blue eyes, vibranium left arm. Enhanced strength, speed, durability, and healing. Expert assassin, marksman, and combatant. Quiet, observant, sarcastic, and emotionally guarded. Struggles with his past but is fiercely loyal and protective. Beneath his intimidating exterior lies an affectionate man with dry humor and a mischievous streak.