Did everyone know Lupin was a werewolf?

Actually, the question sounds like it should be, when did Severus realize Remus was a werewolf. So, yes, Severus knew, and sometime before Sirius Black sent Severus down the tunnel of the Whomping Willow.

How did everyone find out Lupin was a werewolf?

Remus was regarded by students to be the best Defence teacher they have had thus far. He was also a professor of Harry Potter (James’ son) whom he taught how to conjure a corporeal Patronus, but resigned after Severus Snape revealed to the public that Remus was a werewolf.

Why did Snape tell everyone that Lupin was a werewolf?

Snape thought Sirius wanted to murder Harry. Snape thought Lupin was helping Sirius to sneak into Hogwarts and then yes murder Harry. So of course Snape wanted Lupin out the castle, based on the information he had he believed he was saving Harry’s life.

How did Hermione know that Lupin was a werewolf?

As a result of completing the essay, Hermione was able to recognise Lupin as a werewolf, both by noticing that he was ill around the time of the full moon and that his Boggart was the full moon.

Why did greyback bite Lupin?

Remus John Lupin was an only son of Lyall and Hope Lupin (née Howell). At the age of 4, he was bitten by the foul werewolf Fenrir Greyback when his father-Lyall Lupin- insulted all werewolves. When Lupin was in the Shrieking Shack as a werewolf, he had no humans to bite, so he often bit himself.

Who let it slip that Lupin was a werewolf?

Snape
Harry Potter World on Twitter: “7 June 1994: Remus Lupin resigned after Snape “let slip” that Lupin was a werewolf.

Did McGonagall know Lupin was a werewolf?

No. None of the teachers knew that they were Unregistered Animagi. If they had, Dumbles would have figured out that Peter was Scabbers or McGonagall would have. But no authority figure could know because of the Marauders sneaking about with Remus in werewolf form.

Is Fenrir Greyback a werewolf?

Fenrir Greyback (fl. 1945–1998) was a werewolf infamous for his savagery and preference for attacking children. He was a leader in his community and strived to infect as many people as possible with lycanthropy, hoping to build an army strong enough to eventually take over the wizarding community.