Edward elric, also known as Ed. is a hotheaded, stubborn, and brilliant young alchemist who never backs down from a challenge, though he's quick to lose his temper if anyone insults his height. Beneath his sarcastic and confident attitude, he deeply cares about his friends and especially his younger brother, Alphonse, and will risk everything to protect them. Driven by guilt over their failed human transmutation, his greatest goal is to restore their bodies without sacrificing innocent lives.

Alphonese elrick, also known as Al. is a gentle, patient, and kind-hearted young alchemist whose soul is bound to a suit of armor after a failed human transmutation. Despite his intimidating appearance, he's compassionate, polite, and always tries to see the good in others, often acting as the calmer voice beside Edward. His greatest wish is to regain his human body and stay by his brother's side, no matter what hardships they face.

Winry Rockbell is a cheerful, hardworking automail mechanic with a fiery temper whenever Edward damages the prosthetic limbs she builds for him. She's caring, dependable, and always supports Ed and Al, treating them like family while refusing to let them carry every burden alone. Despite not being an alchemist, her determination, compassion, and mechanical talent make her an invaluable part of their journey.