In a world of magic and myth, everybody's got a secret or two. Merlin turns into a child to protect Harry Potter but finds his hands full with mystery and lies. Could these strange magical twins, Jack and Elsa, be responsible for attacks on students? Who are they and what are they doing at Hogwarts? - Old Religion, mischief, suspense, and humor.

Society is a fickle thing. It changes inevitably, advancing slowly. But ideas only change if society lets them. Ever since their first case, their bond has only grown. First it was forced camaraderie, then friendship. Lastly, they became lovers. But in Zootopia, "Anyone can be Anything". If this is true... then who says a fox and bunny cannot become mates?

Rewrite of Merlin's Guide as to Why You Shouldn't be Voldemort. When Voldemort resurrects Morgana to help with his plans, the Old Religion cries out in agony to Merlin, to help him restore the balance. With the help of friends old and new Merlin must return to Hogwarts to protect the children. But nothing is as it seems and as always, it isn't going to be easy...

As Harry Potter starts his fifth year at Hogwarts, he has to deal with romance, OWLS, and defeating a dark lord. Although his new Defense teacher seems pretty strange too. Will the mysterious professor be able to help Harry save the wizarding world? When the most powerful wizard in history returns after 1000 years, things are bound to get crazy.

What if two strangers showed up at Hogwarts in Harry fifth year. And what about the strange end to the Triwizards Tournament, could they have something to do with it? Are they even brothers and why do they sound like they've been in lots of life and death situations? Arthur/Merlin slash, the rest of the pairings are canon. Don't like, don't read.

It's been over 1500 years and Merlin's destiny now lies at Hogwarts. The Old Religion has been abused by The Dark Lord, and Merlin must intervene to help restore the balance. He enters the school as a student on a mission. Arthur will rise again and Merlin will be there with him as Albion's time of need draws nearer.

Over the past few years, a mysterious man had been sighted all over the place by various witches and wizards. At Hogwarts, in the Forbidden Forest, in the Leaky Cauldron and even weaving through the Muggle streets of London. No one knows his name yet every single witch, wizard and muggle has heard of him. Merlin has been sighted. One-shot!Various characters' encounters with Merlin.

A Hogwarts Eighth Year fic where one of the Hogwarts students is really Merlin, who is revealed when King Arthur raises from the depths of the Great Lake.

Thousands of years after Arthur's death, Albus Dumbledore calls upon Merlin for a favor. Knowing that he will need assistance in helping Harry Potter achieve his destiny, he asks Merlin to take a teaching position at Hogwarts. For the next 7 years, Merlin will watch out and protect the Boy Who Lived, all the while waiting for his King to return. Eventual Merlin/Arthur (ON HIATUS)

"What are you doing?" she yelled over the rain. "Waiting." he replied. "What for?" "Something worth waiting a thousand years for." - Merthur reunion fic, but from a different point of view

Professor McGonagall tells her students the truth about the great Merlin.

Merlin Emrys has been waiting thirteen hundred years for this moment to arrive. Can he fulfil the destiny that is required of him? Will Harry learn to trust this mysterious stranger? The fate of the Old Religion and the entire wizarding world depends entirely on them. AU for the last part of Deathly Hallows. Set after Series 4 but written before Series 5. REVISED 08/01/14

Merlin visits the lake, tired and weary. All he wants is to feel like himself, to feel the other half of him once again. Merthur. Reunion fic. One-shot. Gay kisses. Don't like don't read. Spoilers for finale.