Focker

Captain Fokker is an Amestrian soldier who works in the same administrative office as Lieutenant Colonel Maes Hughes and Sheska. After Hughes is murdered, Fokker is involved in the investigation and explains the scant evidence to Colonel Roy Mustang. Later, Envy impersonates Fokker in order to glean Mustang's clandestine doings from Sheska.

Trivia

 * Fokker is probably named after the dutch aircraft manufacturer, or possibly the Dr I Fokker, a German dogfighting plane used primarily in WWI.