Captain Roberto Duellos is the Captain of the battle cruiser Courageous and is also the commander of the First Battle Cruiser Division in the Alliance Fleet (comprising . He is one of Captain Geary's most loyal supporters and is regarded as an extremely capable officer and is respected by the other officers in the fleet. He befriends Geary and usually hangs back after fleet conferences to chat with Geary in an informal tone. When the Courageous was destroyed in the Battle of Heradao, he is given command of Inspire after Captain Kila's suicide.