What are some good 'Harry Potter has a familiar' fanfics?

You can start by looking on fanfiction websites like Archive of Our Own (AO3). It has a large collection of Harry Potter fanfics, and you can use the search function to specifically look for ones related to Harry having a familiar.

One popular 'Harry Potter has cancer' fanfic could be 'The Struggle Within'. It explores how Harry deals with the dual challenges of his wizarding world problems and the battle against cancer. The story delves deep into his relationships with his friends, like Hermione and Ron, who support him throughout. Another might be 'A Darker Shade of Magic and Illness' which not only focuses on his physical ailment but also how it affects his magic.

There's also 'Familiar Ties'. This fanfic delves deep into the magical implications of Harry being Draco's familiar. It's interesting as it not only focuses on their relationship but also on how the wizarding world reacts to such an unorthodox situation. For example, it shows how other students and teachers perceive this new relationship between the two rivals.

One possible fanfic could be where Harry Potter's connection as a tiger familiar gives him unique magical abilities related to the tiger's traits, like enhanced speed and stealth in the wizarding world. Maybe he uses these newfound powers to outwit Voldemort in unexpected ways.

One popular fanfic could be 'The Many Familiars of Harry Potter' where Harry discovers he has the ability to bond with multiple magical creatures. It shows how he manages to take care of them all while still dealing with his Hogwarts studies and Voldemort threat.

Fanfics often explore unique and creative ideas within the Harry Potter universe. In the case of 'Harry Potter has telkenis' fanfics, they could potentially show how this power would interact with his existing magical abilities like his proficiency in potions or his ability to fly on a broomstick. It could also change his relationships with other characters. For example, Hermione might be intrigued and help him research more about this new power, while Ron could be a bit jealous or in awe. However, to really find out, you need to dig into the world of Harry Potter fanfics.

One example could be a dark familiar in the form of a shadowy wolf that follows Harry Potter. It might have powers related to stealth and be able to sense danger in the wizarding world. Another could be a raven with a mysterious aura, perhaps having the ability to communicate telepathically with Harry.

A popular one is 'My Griffin Familiar in Hogwarts'. This fanfic explores the idea of a griffin being a familiar in a more in - depth way. It has a lot of elements from the original Harry Potter series, like the different houses and classes at Hogwarts, but with the added twist of having a griffin as a constant companion. The story is filled with mystery and magic as the character discovers more about their griffin's powers and heritage.

There is a fanfiction titled 'Succubus Familiar: A New Chapter in Hogwarts'. In this one, the succubus familiar brings a whole new dynamic to the familiar - wizard relationship as seen in the Harry Potter series. It might show how the succubus has different powers compared to normal familiars like cats or owls. It also could be interesting in terms of how other characters in the Harry Potter world react to this strange and alluring familiar.

Yes, there are likely some fanfictions out there with this concept. Fanfiction writers often come up with creative and unique takes on the Harry Potter universe. They might give Harry a dog familiar to add a different dynamic to his character or to explore new storylines. For example, the dog could be a magical creature that helps Harry in his adventures at Hogwarts or in his battles against the dark forces.