Millicent Bulstrode serves as a supporting antagonist throughout the Harry Potter series, representing the more physically intimidating side of Slytherin House during Harry’s years at Hogwarts. This stocky, broad-shouldered witch made her presence known from the very beginning, sorted into Slytherin alongside Draco Malfoy and his cronies in 1991.
Her most memorable moment came during second year when Professor Lockhart’s disastrous Duelling Club demonstration devolved into chaos. Millicent faced off against Hermione Granger in what became a rather undignified wrestling match, during which Hermione managed to pull out a clump of her opponent’s hair. This hair would later prove crucial for Hermione’s Polyjuice Potion, though the plan backfired when the sample turned out to belong to Millicent’s cat rather than the girl herself.
As a member of Dolores Umbridge’s Inquisitorial Squad during fifth year, Millicent wielded her authority to patrol the corridors and enforce the High Inquisitor’s increasingly draconian rules. She participated in the squad’s attempt to catch members of Dumbledore’s Army, demonstrating her loyalty to authority figures who shared Slytherin’s traditional values.
Throughout her time at Hogwarts, Millicent embodied the house stereotype of cunning ambition mixed with prejudice against Muggle-born students. Her interactions with protagonists remained consistently hostile, making her a reliable presence amongst Slytherin’s more aggressive contingent during the series’ school-based conflicts.