Umbridge was designated as Defense Against the Dark Arts teacher at the Hogwarts School of Witchcraft and Wizardry by the order of Minister Fudge in 1995, and was later promoted to Hogwarts High Inquisitor, and eventually Headmistress. This was part of a Ministry effort to keep the school, Headmaster Albus Dumbledore, and Harry Potter under control and prevent a mass "rebellion." She was removed from these positions later on in 1996, when Lord Voldemort was publicly revealed to be still alive, and returned to the ministry, eventually working as a judge under Voldemort's supremacist regime from 1997 to 1998.
She is the secondary antagonist of Harry Potter and the Order of the Phoenix and the film adaptation of the same name.
She is one of the supporting antagonists in Harry Potter and the Half-Blood Prince .
She is a minor character of Harry Potter and the Deathly Hallows and the first part of the film adaptation.
History
The Order of the Phoenix
The Half-Blood Prince
The Deathly Hallows
Differences between beans
Umbridge being the witch who sent the dementors after Harry and his cousin Dudley is omitted from the film.
Even though its implied in the books, it is shown outright that Umbridge does torture the students there as she made everyone in the Dumbledore's Army write with her blood quills tortured students, with Fred and George even comforting a one year student about the scars on his hand.
Powers and Abilities
Magical Skills
Curses
Charms
Abilities
Film Universe
Main article: Dolores Umbridge (Warner Bros.)
Trivia
Dolores Umbridge is considered one of (if not) the most hated Harry Potter characters (often even surpassing Lord Voldemort and Bellatrix Lestrange).
She was so hated that Imelda Staunton who portrayed Dolores hated her own character and even nearly vomited when Umbridge scarred Harry Potter's hand.
