Heymans Breda

Heymans Breda is one of Roy Mustangs most trusted subordinates. He was recruited by Mustang for his high level of intelligence indicated by his talent with chess and other strategy games. Despite his intelligence he still has an irrational fear of dogs. Breda is usually tasked by Mustang with jobs that require he travel abroad. In the course of doing so he uses up all of his days off showing his dedication to Mustang. He is transferred to Western Headquarters when Mustangs group is broken up by the homunculi. In the manga he eventually defects from the military so that he can help Mustang overthrow King Bradley. Source: Wikipedia