TV-Series
Description
Alex Louis Armstrong, known as the Strong Arm Alchemist, is a State Alchemist holding the rank of Major within the Amestrian State Military. He is a towering man with an exceptionally muscular physique, standing over two meters tall. His distinctive appearance includes a bald head with a single blond curl, a thick handlebar mustache, blue eyes, and a cleft chin.

Born into the prestigious and wealthy Armstrong family, Alex carries a deep sense of pride in his heritage and frequently attributes his abilities to techniques passed down through his lineage. Despite his intimidating size and fearsome strength in battle, his personality is marked by a sharp contrast. He is boisterous, comically emotional, and prone to bursting into tears of sorrow, joy, or compassion. He is also known for his habit of dramatically tearing off his uniform shirt to display his muscles, believing them to be a work of art meant to inspire others.

Armstrong’s core motivation is a deep-seated desire to protect the weak and avoid unnecessary violence. He firmly believes that his strength should be used to serve and defend the people of Amestris. This moral compass was forged during his harrowing experience in the Ishvalan Civil War. Horrified by the senseless massacre of civilians, he refused to continue participating in the slaughter and disobeyed orders, an act that led to him being sent home in disgrace. This failure has left him with lasting guilt and a personal resolve to never again run from his duty to stand up against evil.

Within the story, Armstrong serves as a crucial ally to the Elric brothers, Edward and Alphonse. He is assigned to protect them and becomes a dedicated and caring guardian, often fussing over their health and safety. He also works alongside Colonel Roy Mustang as part of a coalition working to expose and overthrow the corrupt military leadership controlled by the homunculi. His key relationships include a complex dynamic with his older sister, Major General Olivier Mira Armstrong. While he deeply respects her, she often views his compassionate nature and past trauma as a sign of weakness, though their mutual respect grows as they fight together.

Throughout the series, Armstrong undergoes significant development. He begins as a capable but emotionally haunted officer who was broken by the horrors of war. His character arc focuses on reconciling his pacifist ideals with his role as a soldier, eventually hardening his resolve to fight not for the corrupt state, but for justice. This culminates in his direct participation in the final battles against the homunculi, where he refuses to retreat and fights with unwavering determination.

In combat, Armstrong possesses immense superhuman strength and a unique style of alchemy. Using custom metal gauntlets engraved with transmutation circles, he transmutes matter by punching it. This allows him to rapidly create large stone spikes, walls, projectiles, and other structures from the earth. He also demonstrates notable non-combat skills, including artistic drawing and tracking techniques, which he also attributes to his family legacy.