Isaac McDougal

Isaac McDougal, A.K.A. Freezing Alchemist, is an original character exclusive to the 2009 series, Fullmetal Alchemist: Brotherhood. He appearance in the first episode as a former State Alchemist in the military who is currently trying to destroy Central. After killing a few soldiers with his water alchemy, he activates a transmutation circle to create a large amount of ice. He is then confronted by the Elric Brothers and (after confusing Alphonse for Edward and accidentally making fun of Ed's height) is defeated and handcuffed. He quickly escapes after creating steam from a puddle as a diversion.

He later goes to prison to try and enlist Zolf J. Kimbly in his plan to destroy Central, but is unsuccessful. Returning to the city, he encounters Roy Mustang, and quickly escapes him after dousing him with water. He makes his way back to the ally he originally started at and activates all the transmutation circles around the city, creating a giant wall of ice traveling towards Central. Al, Ed, and Alex Louis Armstrong all try to stop him but are unsuccessful. but once Al and Ed get the upper hand in close combat, he is knocked off and is seriously injured. In desperation, he uses his blood as a weapon to distract the Elrics so he can get away. After turning down an ally, he confronts Führer King Bradley who, with a slice from his sword, kills Isaac.

He is also mentioned in episode 2 during a report by Colonel Mustang.