He is described as a man who has not aged well. He has an unhealthy pale complexion, his stance is stooped, and he is pink-eyed. In attempt to distract people from his appearance, he wears brightly colored valcron garments; his manner of dealing with people was dismissive and insulting. He views President Tigh and Adama's surviving family contemptibly.
In the form of Puck, Iblis places himself as a candidate to become the Fleet's commander during the debates surrounding Adama's replacement as the Fleet's commander.