Extremely intelligent, exceedingly talented and a "wicked" Animagus, it's no wonder Minerva McGonagall is Head of Gryffindor house.
Eventually, McGonagall became the Head of the Transfiguration Department as well as the Head of Gryffindor House.
Most of the teaching staff learnt at the end of Half-Blood Prince: Lupin, Tonks, Professor McGonagall and Madam Pomfrey were told that Snape killed Dumbledore at the end of Half-Blood Prince. Hermione and the Weasleys were in the ward, so learnt at the same time.
When she completed all the steps, her Animagus form turned out to be a silver tabby cat, with what appeared to be square spectacle markings around the eyes.
As a pack animal, or as a “lone wolf,” the wolf is a perfect fit for Harry's Animagus form.
Draco had several reasons for lying to Bellatrix, including the fact that he was never a bad person. Moreover, he no longer found working for the Dark Lord appealing and hated how Voldemort treated his family. He did not intend to harm anyone and believed Harry was the only person capable of defeating Voldemort.
Minerva McGonagall became headmistress of Hogwarts.
The confusion for audience members who have only watched the movies lies in Filch's dialect; although “ma'am” rhymes with “ham” in Standard American English, in some dialects of British English is rhymes with “farm.” Furthermore in some dialects of British English “r”s are deleted, so that pronouncing “ma'am” to sound ...
History of Slytherin
The Head of Slytherin is Horace Slughorn (who left the role to Severus Snape for fifteen years before taking it up again in 1996) and the House's patron ghost is the Bloody Baron.
Harry is the Heir of Gryffindor (though his powers have been bound by his father when he was a baby), Neville is the Heir of Hufflepuff, Meghan (OFC, daughter of Sirius) is the Heir of Ravenclaw.
Horace Slughorn (1997 - present) Horace, after being convinced by Dumbledore and Harry Potter, returned to Hogwarts as the Potions master. After Severus killed Dumbledore and became headmaster of Hogwarts, it was decided that Horace was to become the Head of Slytherin House once again.
Moaning Myrtle
Born in the late 1920s to Muggle parents, Myrtle Warren started her Hogwarts life in the early 1940s, where she was sorted into Ravenclaw.
Fred was killed during the Battle of Hogwarts. Warner Bros. Fred Weasley was one of Ron's older brothers and twin to George. He was a Gryffindor and a passionate prankster.
Extended Description. Invisibility cloaks are very rare, but Harry receives one for Christmas in his first year; it turns out to have been originally the property of Harry's father, and was given to Harry by Professor Dumbledore.
Horace Slughorn: The current head of Slytherin House, Horace Slughorn has been teaching on and off at Hogwarts for quite some time.
Severus Snape became the Headmaster because Voldemort had him appointed. The beginning chapters of Deathly Hallows make it clear that Voldemort had control of the magical community: the Ministry, The Prophet, Hogwarts, and quite likely other magical institutions.
Adelena Potter (Wife) Albus and Adelena first meet during the Hogwarts Sorting Ceremony and got married during the pairs sixth year at Hogwarts.
Harry revealed that Draco was still very much alive, and she lied to her master in order to get closer to him. Narcissa may have concealed the truth from Voldemort to save her son, but she inadvertently helped Harry to victory in doing so.
Bellatrix Lestrange Killed her own cousin, Sirius Black: She killed Sirius (who was her cousin) during the battle at the Department of Mysteries. She was remorseless and was cackling in glee after she had murdered Sirius.
Draco Malfoy's mother Narcissa was cold, cunning and devoted to the Dark Lord. But she was also a mother, which meant she was willing to risk everything to make sure her son was safe. When Harry survived Voldemort's Killing Curse for the second time, Narcissa pretended he was dead so she could get to Draco.
Animagus. Lily's animagus form is a Doe, coupling with her husband, James Potter who is a Stag. Severus Snape's animagus is also a Doe.
Talbott Winger was a wizard who attended Hogwarts School of Witchcraft and Wizardry in 1984 and was Sorted into Ravenclaw house. He was also an Animagus and took the form of an Eagle.
Sirius Black and James Potter attended Hogwarts together, and Sirius is Harry's godfather. Sirius is an Animagus, which means he can transform himself into a black, shaggy dog named Padfoot at will.