Main Characters:
* Harry Potter: The protagonist, an orphaned boy who learns on his eleventh birthday that he is a wizard and destined to attend Hogwarts School of Witchcraft and Wizardry.
* Ron Weasley: Harry's best friend, a loyal and humorous wizard who comes from a large, impoverished wizarding family.
* Draco Malfoy: Harry's nemesis, a wealthy and arrogant pure-blood wizard who often bullies Harry and his friends.
* Severus Snape: A potions master at Hogwarts with a mysterious and often antagonistic relationship with Harry.
* Albus Dumbledore: The headmaster of Hogwarts, a powerful and benevolent wizard who guides Harry throughout his journey.
* Rubeus Hagrid: The gamekeeper of Hogwarts, a half-giant who is fiercely loyal to Harry and his friends.
Supporting Characters:
* Neville Longbottom: A shy and clumsy Gryffindor student who eventually overcomes his insecurities to become a skilled wizard.
* Fred and George Weasley: Ron's mischievous twin brothers, known for their pranks and entrepreneurial spirit.
* Percy Weasley: Ron's older brother, a studious and ambitious wizard who initially distances himself from his family.
* Arthur Weasley: Ron's father, a kind and eccentric wizard who works at the Ministry of Magic.
* Remus Lupin: A Defense Against the Dark Arts teacher who is a werewolf and a close friend of Harry's father.
* Sirius Black: Harry's godfather, an escaped prisoner who is later revealed to be innocent of the crimes he was accused of.
* James Potter: Harry's father, a talented and mischievous wizard who was killed by Lord Voldemort.
* Regulus Black: Sirius's younger brother, a Death Eater who later defects to the Order of the Phoenix.
* Peter Pettigrew: A childhood friend of James and Sirius who betrays them to Lord Voldemort and becomes a traitor.
* Barty Crouch Jr.: A Death Eater who impersonates a Hogwarts teacher and attempts to manipulate Harry into Voldemort's hands.
* Lucius Malfoy: Draco's father, a wealthy and powerful pure-blood wizard who is a supporter of Lord Voldemort.
* Bellatrix Lestrange: A cruel and sadistic Death Eater who is fiercely loyal to Lord Voldemort.
* Lord Voldemort: The main antagonist of the series, a powerful dark wizard who murdered Harry's parents and seeks to conquer the wizarding world.
* Gilderoy Lockhart: A vain and arrogant self-proclaimed wizard who teaches Defense Against the Dark Arts at Hogwarts.
* Horace Slughorn: A potions master at Hogwarts who is known for his fondness for the elite and his connection to Lord Voldemort.
* Dobby: A house-elf who is fiercely loyal to Harry and helps him throughout his adventures.
* Kreacher: A house-elf who initially serves the Black family but later becomes loyal to Harry.
This list represents a selection of prominent male characters in the series. There are many other male characters who appear in the Harry Potter books, each with their own unique personalities and roles in the story.