- “Just wait until Uma hears that you're back.”
- ―Harry to Mal
Harry is prideful, sneaky and is always ready to hook someone. He is Uma's first mate and her closest friend.
Harry is a light-skinned brawny guy with brunet hair. His primary outfit is a white ripped tank top, a red sleeveless leather coat, black pants with red ripped details and zippers and dark brown boots. His accessories consist of a black pirate hat with dark golden details, pale feathers and the pirate crew's symbolic pin, a blue headband, a black band, black fingerless gloves, a golden skull ring, red, black and white bracelets, a red belt, a brown skull belt, a dark brown belt with rings and a pocket watch, a sheath for his sword and a fake hook. Plus he sometimes has shadows around his eyes that make him look attractive.
- Main article: Harry Hook/Relationships
- "What's My Name" (with Uma and Gil)
- "It's Goin' Down" (with Mal, Evie, Jay, Carlos De Vil, Ben, Uma and Gil)
- "Kiss the Girl" (with Mal, Evie, Jay, Carlos De Vil and Uma)
- In the novel Isle of the Lost: A Descendants Novel there is a character known as Harriet who is also the daughter of Captain Hook. Later on, CJ Hook was introduced as another descendant of Captain Hook in Descendants: Wicked World
- He was Mal's first love. Coincidentally, Thomas Doherty and Dove Cameron are dating.
- Harry is part of Uma's pirate gang and is the first mate.
- Harry has a hook on his left hand just like his father.
- It's revealed that the hook is fake, and he probably carries it to resemble his father.
- He is the second character whose name is Harry. The first is Horace's son Harry.
- In the music video of What's My Name?, it seems Harry possesses a pocket watch, it could belong to his father or a reference to Tick-Tock the Crocodile.