Frank Archer is a character exclusive to the first anime.

He is cool, calm, and collected, with a love for violence and war. He dreams of becoming a hero on the battlefield, viewing it as a way to rise up the ranks of the military. To this end, he does whatever is necessary to please his superiors, and always ensures that his actions earn him some publicity. As the series progresses, Archer develops an interest in the military's various projects, such as the homunculi, chimeras, and the Philosopher's Stone.


(Source: Wikipedia)