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11.
Sirius Black is a fictional character in the Harry Potter book series. He attended Hogwarts School of Witchcraft and Wizardry alongside Harry's mother Lily Evans and father James Potter. He and James became best friends and he was named Harry's godfather.

While at school, he co-created the group The Marauders (see Marauders Map) with James and their friends Remus Lupin and Peter Pettigrew. Because of Remus's condition (see werewolf), Pettigrew, Black and Potter all learned to turn into animagi; Sirius's form was a large grim-like black dog. Consequently, he was given the nickname Padfoot.

During the first war with Voldemort, Albus Dumbledore figured out that the Dark Lord was after the Potters and knew that someone in their group, the Order of the Phoenix, was a spy. Lupin and Black suspected each other, and it is fair to assume that James trusted his best friend Black over Lupin, as well.

When the Potters went into hiding, James named Black Secret Keeper and told few of this deal. At the last minute, Black, deciding that Voldemort would seek him first and still wary of Lupin, convinced Potter to name Pettigrew Secret Keeper. Pettigrew turned out to be the spy after all and gave over the Potters' whereabouts to Voldemort, leading to their death (see Harry Potter).

Black confronted him about this, enraged. Pettigrew staged a scene, cut off his finger and killed several muggles in an explosion before turning into his animagus form of a rat (see Scabbers) and escaping. Black went to Azkaban for the crimes and did not get out until he escaped right before Harry's Third Year (Prisoner of Azkaban).

Black earned the trust of Lupin, Harry Potter, and Dumbledore after explaining the story to them (they'd not been aware of the switch), but was still at large with the wizarding community. He stayed with Lupin until Dumbledore reformed the Order of the Phoenix at Voldemort's reincarnation. The group's headquarters became Black's old family home (Number Twelve, Grimmauld Place) where he was forced to stay until getting out to rescue Harry at the Department of Mysteries. He was killed by being pushed through a veil at the hands of his cousin and Death Eater Bellatrix Lestrange.

****Sirius's Role in Fanfiction****
Several fanfiction writers prefer to put Harry Potter characters together in obscure pairings. One of the most popular is Sirius Black/Remus Lupin. While many are convinced of this couple's authenticity, nothing in the books actually supports it (canon) besides the fact that the two men spent a lot of time together. In fact, Sirius is painted as a womanizer, and in Half-Blood Prince it is implied that Lupin has started a romantic relationship with a young female Auror and cousin of Black's, Nymphadora Tonks. JK Rowling has never confirmed any romantic relationship between Black/Lupin and described their hug in Prisoner of Azkaban as "brotherly." (People argue that that is not relevant evidence; Harry's point of view is not omniscient.)

That aside, I believe that the great thing about the books is how the different relationships can be interpreted, so get as slashy as you want, don't bother me none. But, yeah. He's dead. -cough-
"You killed my parents," said Harry, his voice shaking slightly but his wand quite steady.
Black stared up at him out of those sunken eyes.
"I don’t deny it," he said very quietly. "But if you knew the whole story..."
(Sirius Black in Prisoner of Azkaban)
by Amy (lupinsmoon12391) January 09, 2007
 
1.
Two words: flying motorbike. Two more words: damn sexy.
by lovevanillacreme October 10, 2003
 
2.
AKA: Padfoot or Snuffles

Harry Potter's presumed dead God-father/doggy. One time best friend of James Potter and Remus Lupin, "killed" at the hands of one evil bitch of a cousin Bellatrix Lestrange. Also, hands off, as he is betrothed to the aforementioned Remus Lupin.
"Hello, I'm Sirius Black, the sexiest thing to come out of Hogwarts since...er...ever!"
by Charm March 19, 2004
 
3.
Very VERY good looking friend of James Potter. He was originally James and Lily's scecret keeper, got dropped at the last minute, got framed for a bunch of murders, got sent to Azkaban, did the impossible and escaped, stalked his godson, Harry Potter, and bought him a really nice broomstick. Throughout all of this, he lost his hot-ness. So sad. Some people think he is dead, and I respect their opinion but they are wrong. He only fell behind the curtain thing-y. Note: A character is never dead unless you personally watch the breath of life leaving their body.
James - "Shut it, Sirius! I'm trying to be serious!"
Sirius - "You can't be serious, I'm Sirius!"
James - "Sirius, seriously, that joke is really old."
Sirius - "Seriously?"
by BenKwellerFoldsFive February 15, 2005
 
4.
The most gorgeous man to ever grace Hogwarts with his presence. Sirius has been turned into a bisexual Man-whore by fanfiction authors (including myself) who has been romantically involved with Harry, Hermione, Snape, Remus Lupin, James Potter, and just about everyone else. Not that I'm complaining or anything...

ALIAS:

Snuffles
Padfoot
The Sexy Marauder
Hot Bishie
Lupin's Bitch
Sirius Black and Remus Lupin are FINALLY getting married. It's about damn time...
by DoubleL June 05, 2005
 
5.
Sezzy. Hot. Harry's Godfather. Is not dead but you go 'head and keep thinkin' that. Did I mention he's effing sexy?
Sirius is alive, dammit! Alive, well, and sexy too!
by Padfoot's Stalker September 21, 2003
 
6.
An amazingly sexy Marauder, who is also known as Padfoot. Even in death he is much sexier than you.
You disagree? Two words mate. Flying. Motorbike.

I would.
Sirius Black, the most perfect fictional male character ever created.
by Remus Lupin's God-daughter June 27, 2009
 
7.
Sirius Black is the third member of the infamous, playful group called the "Marauders" (according to the popular term 'MWPP'). He, along with James Potter, Remus Lupin, Peter Pettigrew, Lily Evans, and many more people went to Hogwarts, a school located in Scotland. He served as Best Man to James Potter's wedding (who married Lily Evans, incidentally) after Hogwarts. As well, he was wrongly accused for the murder of twelve Muggles and one wizard. He was also thought to have betrayed the Potters to Voldemort, a Dark Wizard. As a result, he was sentenced to Azkaban, a wizarding prison. He broke out twelve years later, in his godson's third year at Hogwarts. Along with Harry Potter, Ron Weasley, Hermione Granger, and Remus Lupin, he attempted to procure Peter Pettigrew, the man who framed Sirius for the aforementioned crimes. However, the full moon came, and sent Remus Lupin, a werewolf, into a frenzy. Peter Pettigrew got away, as a result, by changing into a rat. Sirius Black was then recaptured, and he nearly had his soul sucked out by a dementor. He was saved, though; he then flew away on a Hippogriff.

For the next two years, Sirius remained in hiding. He served as a confidant to his godson, Harry Potter, through letters and secret meetings. In Harry's fifth year, however, Sirius went to save Harry in a battle against Voldemort and some of his Death Eaters. Bellatrix Lestrange, a cousin of Sirius's as well as a Death Eater, sent a spell towards Sirius. As a result, he fell beyond a dark veil, where he is presumed to be dead.
Sirius Black turned around at stared at him. He could not believe his eyes.
"I trusted you," he stuttered.
The man laughed bitterly. "You were always dim-witted, Sirius."
by Siriuslyfun19212 February 28, 2006