The Seven Homunculi

Lust

She was created from the failed transmutation of Scar's brother. She has the ability to extend her nails to infinite lengths and make them razor sharp. She appears to lead the homunculi Envy and Gluttony. Her tattoo of Oruboros is located on her chest.

Gluttony

He has the mentality of a child and a stomach that is always craving for food. Because of this, the only thing he thinks about is food. His ability is that he can devour anything, including metal. His tattoo of Oruboros is on his toung.

Envy

He is very old, though his exact age is unknown. His ability is to change his appearance into other people. He can mimic their voices as well. For an unknown reason he despises Edward because the blood of his dreaded enemy courses through his veins. Envy's tattoo of Oruboros is on his upper leg.

Pride

He is in truth King Bradley of the military. He was created by Dante specifically to infiltrate and control the military so that Dante could be the puppetmaster behind all the military actions. His tattoo of Oruboros is on his eye behind his eyepatch. The eye lets him see all possible outcomes of situations so he can predict the moves of an opponent before they even happen.

Sloth

Sloth was created from the Elrics failed transmutation in the beginning of the series. She has the tattoo of Oruboros underneath her left shoulder. She acts like a mother to Wrath and takes care of him.

Greed

He was created by Dante. His power is to change his body into an impenetrable material formed from the carbon in his body, most likely diamond. His alias is the strongest shield because of this. Apparently he does not want to become human. After Edward pierces his heart with his auto-mail Greed reveals that the weakness homunculus have is that they become mortal when near the bones of their respective creator or of the people they were supposed to become. He dies shortly afterwards. His tattoo of Oruboros is on his hand.

Wrath

This little child is in reality the evil homunculus Wrath. He was created by Izumi Curtis and he took Edward's arm and leg when Edward performed a human transmutation and now he wants the rest of Ed's body so that he can become a human. His tattoo of Oruboros is on the bottom of his foot.