He is portrayed by Peter Best, briefly by Ashley Artus in the Goblet of Fire, and by Granville Saxton in Deathly Hallows Part 1 and 2.
Walden Macnair served Lord Voldemort during the First Wizarding War. In the aftermath, he didn't search for her master, but instead joined the Ministry of Magic as executionner, pretending he was put under the Imperius Curse, and not a true follower of Voldemort. Twelve years after his master's defeat, he was charged to put the Hippogriff Buckbeak's to death for hurting Draco Malfoy. After Voldemort's return, he returned to the Death Eaters, and rejoins Voldemort in the graveyard. The next year, he is sent with a few Mangemorts in the moutains to negociate with the Giants, and manages to rally them to Voldemort, sharing his bloodlust with their chief. Later, he disguised himself to infiltrate St Mungo's Hospital for Magical Maladies and Injuries and eliminate Boderick Bode, a disturbing witness. At the end of the year, he participate sto the battle of the the Department of Mysteries, where he is captured and sentenced to Azkaban. Macnair then escapes the prison, probablly when the Dementors joins Voldemort. He then participate to the battle of Hogwarts, where he is defeated by Hagrid, and was probably sentenced again to Azkaban
- Macnair (The Executioner) has been released as a LEGO minifigure, in the 2019 set Hagrid's Hut: Buckbeak's Rescue
- Macnair is Hagrid's conterpart : while Hagrid is a very nice person who love take care of creatures, Macnair is a sinister individual who is charges to kill them, and take pleasure in it. Also, both are send to negociate with the giants, and they fight each other in the final battle
- In the movies, it is never specified that the Executionner and Macnair are the same person
- Macnair apears in the mobile game Harry Potter: Wizards Unite, where we learn he survived to the battle of Hogwarts and was still alive in the 2020s
Other Dark Wizards & Witches