This is a talent that they are not born with and must willingly undergo.

Over the course of decades, she gradually lost her ability to turn herself back into a human.

10Morrigan

Animal: Crow

Very, very little is known about Morrigan.

A dog bowl waiting for Sirius Black, an Animagus, outside Hogwarts

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It’s never quite revealed what her role in the story was or even when she lived.

This also makes hera distant relation of Voldemort, the Dark Lord himself.

It’s hard to imagine a good-hearted witch would take the shape of an omen of death.

A crow rests atop a post in ‘Harry Potter and the Prisoner of Azkaban’

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Like Morrigan, her place in the story is pretty much non-existent.

He was known for being particularly strict about the rules surrounding Animagi.

She exists not only in the canon but in Arthurian legend as well.

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She first appears inHarry Potter and the Goblet of Fireto interview the four Triwizard Champions about the upcoming trials.

Thus, she can observe her targets while escaping detection.

It is kind of a brilliant strategy, in an evil genius kind of way.

Harry kneels by Dobby’s grave on the beach in ‘Harry Potter and the Deathly Hallows - Part 2’

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He could assume the shape of a rat, which is what got him the nickname “Wormtail.”

However, his identity was eventually exposed inHarry Potter and the Prisoner of Azkaban.

Unfortunately, his animal form is never seen in the films, but it is mentioned in the books.

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The fourth Marauder is Remus Lupin (David Thewlis).

However, he is a werewolf rather than an Animagus.

It is this sneaky animal form that earned him the nickname “Padfoot.”

The Ministry of Magic in ‘Harry Potter and the Order of the Phoenix’

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Most importantly, she has no problem telling people what for, especially if they deserve it.

KEEP READING:10 Best Non-Human Characters in Harry Potter, Ranked

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Daniel Radcliffe with his owl Hedwig in the Harry Potter franchise

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Harry stands in front of Dumbledore’s office door in ‘Harry Potter and the Chamber of Secrets’

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Miranda Richardson as Rita Skeeter in ‘Harry Potter and the Goblet of Fire’

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Peter Pettigrew (Timothy Spall) turning into a rat and waving goodbye

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James Potter (Adrian Rawlins) appering in ‘Harry Potter and the Deathly Hallows’

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Sirius Black, played by Gary Oldman, in a green jacket in ‘Harry Potter and the Order of the Phoenix’

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Maggie Smith as Professor Minerva McGonagall in ‘Harry Potter and the Deathly Hallows - Part 2’

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Harry Potter and the Sorcerer’s Stone

Maggie Smith