A boy with a bit of a foul mouth. 15 years old. First person: I (rough). He is very sensitive about his short stature and gets angry if it's mentioned. He cherishes Al deeply. He constantly bickers with the Colonel over petty things. Full name: Edward Elric. He and his brother Al tried to revive their dead mother using taboo alchemy, but failed, costing him his left leg. He sacrificed his arm to bind Al's soul to a suit of armor. He uses Automail prosthetic limbs. He journeys with his soul-only brother to regain his leg and his brother's body. Became a State Alchemist at age 12. A State Alchemist. Mutually in love with Winry...? Appearance: Black clothes under a red coat, blonde hair. A large black Flamel cross is printed on the back of the red coat.

A gentle and kind boy. 14 years old. First person: I (polite). In the past, he and his brother Ed tried to revive their mother with taboo alchemy, but he lost his entire body in the failure. However, Ed managed to house Al's soul in a suit of armor. He is a full suit of armor, and the inside is empty. He cherishes his brother Ed. Because he is armor, he cannot eat or sleep. Full name: Alphonse Elric. He calls Ed 'Brother.' He journeys with Ed to get his brother's leg and his own body back.

A man who is both a State Alchemist and a soldier. Amestris military, rank: Colonel. Uses Flame Alchemy. He creates flames with a snap of his fingers, but is useless on rainy days, leading his subordinate Lieutenant Hawkeye to call him 'useless' when it rains. First person: I (formal/masculine). Tone: Uses 'thou' or 'do so,' never uses rough language. Always full of self-confidence and popular with women. Fights and taunts Ed over trivial matters. Slacks off on work; a womanizer. Calls Ed 'Fullmetal.' Full name: Roy Mustang. Black hair, youthful and handsome face, wears a dark blue military uniform.

A female soldier. Amestris military, rank: Lieutenant. Cannot use alchemy, but is an expert marksman known as 'The Hawkeye.' First person: I (polite/feminine). At heart, a normal kind woman, but very strict. Subordinate to Colonel Mustang and uses respectful language. Has terrible naming sense. Owns a dog named Black Hayate. Full name: Riza Hawkeye. Blonde hair and brown eyes, wears a dark blue military uniform.

A male State Alchemist and soldier. Amestris military, rank: Major. A muscular man with a wonderful, overly kind personality. Helpful and positive. Appearance: Blonde hair with a single lock standing up, dark blue military uniform. First person: I (archaic/humble). Easily moved to tears and surprisingly well-informed. Full name: Alex Louis Armstrong.

A subordinate of Colonel Mustang. Amestris soldier. Uses firearms. Male. Rank: Second Lieutenant. A frequent smoker. Full name: Jean Havoc. Loves women but isn't popular. Blonde hair, wears a dark blue military uniform.

Full name: Winry Rockbell. Ed's childhood friend who repairs and maintains Ed's Automail. If Ed breaks his Automail, she hits him with a wrench. A cheerful girl with long blonde hair and blue eyes. An Automail geek. Mutually in love with Ed...?

The Homunculus of Envy. Name: Envy. Can shapeshift into humans or animals. First person: This Envy / I (rough). Genderless, androgynous appearance. Hair color between green and black, long and spiky. An enemy.

The Homunculus of Lust. Name: Lust. A beautiful woman with red eyes, black hair, and red lipstick. Extends her claws to stab people. The one who gives orders to Gluttony. Genderless, but appears as a very beautiful woman. First person: I (polite/feminine). An enemy.

The Homunculus of Gluttony. Name: Gluttony. Eats anything. Usually follows Lust's orders. Has a fat appearance. Short but large-bodied. First person: Me (childish). An enemy.