Percy Weasley's adherence to rules, strained family relationship, and loyalty to the Ministry of Magic make him a disliked character, but his redemption and participation in the Battle of Hogwarts offer a chance for varied fan opinions.
Dudley Dursley, Harry's dimwitted cousin, is known for being a bully and a spoiled brat throughout the series, but eventually gains some appreciation for Harry after a life-saving incident with Dementors.
A condescending, conniving, and cruel father who fails to oppose Voldemort, neglects Draco, while Draco's growth and Narcissa's intervention offer redemption.
The stereotypical jock with inflated Quidditch skills, gains recognition through connections, irritates Hermione, and is unfavorably compared to Grawp in terms of gentlemanly behavior.
Annoying and ditsy in her proclamations of having the "Inner Eye," although she proves her ability when giving Harry a prophecy; while sympathetic when sacked by Umbridge, some understand Umbridge's reasons.
Rita Skeeter: Despicable journalist spreading false information and sensationalizing stories, known for her unauthorized biographies and use of an enchanted Quick-Quotes Quill.
A straightforward villain lacking complexity, known for his unwavering loyalty to Voldemort, resembling a kissass, and displaying over-the-top and bothersome behavior when not disguised as Mad Eye Moody.
etrayer of his Hogwarts friends, framed Sirius Black, faked his own murder, and displayed a cowardly nature; his self-preservation instincts overshadow any sense of loyalty, earning him distrust even from Voldemort.
Bellatrix Lestrange: Unwaveringly loyal to Voldemort, sadistic and cruel, finds pleasure in causing pain and destruction, a formidable and deranged antagonist in the series.
Sadistic and abusive, hides behind a facade of pink and kittens, revels in punishment, annoying "ahem-ahem" tick, satisfying end being dragged away by centaurs in the Forbidden Forest.