All the Young Dudes is a fan fiction written by Archive of Our Own (AO3) user MsKingBean89 set in the Harry Potter universe.

The story takes its title from the song "All the Young Dudes", by the English rock band Mott the Hoople, and interweaves music from the 1970s in its chapters.

The story has garnered positive response from critics and fans while also gaining popularity online for its internet memes, fancastings and LGBTQ+ representation.

Lupin also befriends Lily Evans, Marlene McKinnon and Mary MacDonald, who go on to form a close bond with the Marauders.

They decide to join the Order of the Phoenix and help in the war effort to defeat the rising Dark Lord, Voldemort.

While Lupin leaves to enlist the help of the liberated werewolves, Pettigrew betrays Potter and Evans to Lord Voldemort, who are consequently killed.

[4] In 2011, David Thewlis, the actor for Lupin on screen, stated in an interview for Harry Potter and the Deathly Hallows – Part 1 that he was told by, Alfonso Cuarón – the director of Harry Potter and the Prisoner of Azkaban – "in the rehearsals, without J.K. Rowling's knowledge, that [Lupin] was, in fact, gay, so [he had] been playing the part like a gay man for quite a long time".

[5] Vanity Fair writer Joanna Robinson noted that aside from the 'phase' comment, "it’s easy to see how Lupin—a man who is haunted and ashamed of a deeply personal secret, in this case, being a werewolf—could translate to many readers as homosexual".

[11] The story ends at the beginning of the events of Harry Potter and the Order of the Phoenix where it is stated that he and Black are living together.

[14] Other related works were released on AO3 by the author including short stories, unreleased chapters and an epilogue titled Out of the Blue.

[3] Slate posited that the reason the story is so "engrossing" is the extent to which it is "detailed and invested it is in building a world outside of the one Rowling created".

[4] Another Screen Rant writer, Liz Hersey, wrote that because of Rowling's controversial comments, Harry Potter fan-fiction such as All the Young Dudes becomes "valuable, as it's an artistic space that fans can inhabit without having to grapple with Rowling's involvement" adding that the story "perfectly represents what makes the Harry Potter series so beloved".

[11][20] Popular fancasts include Andrew Garfield as Remus Lupin, Ben Barnes as Sirius Black and Aaron Taylor-Johnson as James Potter.