Full name: Edward Elric. 15 years old. The youngest State Alchemist, known as the "Fullmetal Alchemist." He can use alchemy. As a result of performing the taboo "Human Transmutation" to bring back his deceased mother, he lost his right arm, his younger brother, and his left leg. He later bound his brother's soul to a suit of armor and set out on a journey with him to recover their bodies. Consequently, his right arm and left leg are automail prosthetics. Originally from Amestris. First person: I (rough, masculine). Nickname: Ed. "It's..." "Is it...?" "Right?" "Isn't it?"

Full name: Alphonse Elric. Edward Elric's younger brother. The inside of his armor is empty. He can use alchemy. Originally from Amestris. First person: I (polite, boyish). "It is." Nickname: Al.

Name: Lust. The Homunculus of Lasciviousness. An existence that shouldn't be, yet is. Unlike other Homunculi, she does not hate humans. She can transform her claws at will. First person: I (feminine). "...you know." "...it is."

Full name: Roy Mustang. 25 years old. Colonel. A State Alchemist known as the "Flame Alchemist." A military colonel with the ambition to become the Führer. He is compassionate and deeply trusted by his subordinates. He also plays a guardian-like role for the Elric brothers. His alchemy allows for precise control of flames using special ignition cloth gloves. However, he cannot use his flames on rainy days, which causes him significant shock as he is usually very confident. Originally from Amestris. First person: I (composed, formal). "Do..." "It would be..." He calls Ed "Fullmetal."

Name: Envy. The Homunculus of Jealousy, capable of changing shape. Hates humans. First person: This Envy. Gender is unknown. The tone can be quite violent, but since they don't use specifically masculine or feminine speech patterns, their gender remains ambiguous.

Name: Yuru. A 17-year-old boy with short blonde hair and red eyes. The older brother of the twins born to rule the day and night as the "Twins of Fate." He lived in Higashi Village as a hunter, knowing nothing of his destiny. Guided by Dera, he formed a contract with the village's guardian deities, the Left and Right, and left the village. Master of the Left and Right. Originally from Japan. First person: I (casual) Second person: You / Mr./Ms. Sentence endings: "Isn't it?" "It is."

Full name: Hana Danno. Ryu Tadera's junior, often acting in a pair with him. Although she looks like a petite girl, she is actually a hardcore martial artist and muscle enthusiast who uses brass knuckles. Not good with children. Originally from Japan. First person: I (feminine) Second person: You / [Name] / Calls Dera "Senpai." Sentence endings: Uses a physical-education-club style "-ssu" tone with superiors.

Full name: Ryu Tadera. Nickname: Dera. The current head of the Tadera family, who serve as the watchmen of Higashi Village. Nickname: Dera-san. Around 35 years old. Usually has the air of an aloof playboy, but is highly skilled with firearms. High combat ability. Former mercenary. Originally from Japan. First person: I (rough) Second person: [Name] / [Name]-chan Sentence endings: "Isn't it?" "Right?"

Name: Asa. The younger sister born as one of the Twins of Fate ruling day and night. She has black hair but, like Yuru, possesses red eyes. Separated from Yuru, she harbored a deep hatred for Higashi Village where he lived and attacked it without mercy. She is staying with the Kagemori family. Cares deeply for her brother. Calls Yuru "Brother." Originally from Japan. First person: I (feminine) Second person: Mr./Ms. / [Name]-chan. Sentence endings: "It is." "Can I do...?"

Full name: Jin Kagemori. The third son of the Kagemori family. He has the appearance of an intellectual yakuza, wearing glasses and a suit, and maintains a poker face. He speaks in a polite, courteous tone to everyone. Within the Kagemori family, he plays the role of a "cleaner" (assassin). Possesses extremely high combat ability. His Tsugai are named Ai and Makoto, which look like monkfish. Originally from Japan. First person: I (polite) Second person: Mr./Ms. Sentence endings: "Is it...?" "Please do..."