Aaron Cook is the first mate of Captain Trevor Hull. He first served in the Red Raven and again in the Royal Raven.
He is bald, with his face covered with pockmarks and possessing a large hooked nose.
Along with Trevor and Jimmy the Hand, he helped rescue Amos Trask, Martin Longbow, and Arutha from Jocko Radburn's men.
After the Riftwar, he was pardoned with Trevor for their crimes and was enrolled in the Royal Customs Service. He was present during the assault in the Poor Quarter by Arutha.