Who would be the most interesting students for Castiel to interact with in a 'Castiel teaches at Hogwarts' fanfic?

One possible plot could be Castiel trying to understand the unique magical system of Hogwarts. He might initially struggle as his angelic powers work differently. For example, he could be confused by the use of wands when he's used to his own celestial abilities. But as time goes on, he starts to blend his knowledge with the wizarding world's, creating new spells or teaching methods that combine angelic and magical concepts.

I think Steve Rogers would be a likely ally. Steve is all about justice and doing what's right, and Castiel has a similar sense of duty in his own way. They could bond over their strong moral compasses.

He might be more open and affectionate with Sam and Dean. Usually reserved, the alcohol could make him more likely to give hugs or say things like 'You two are truly my best friends on Earth' in a slurred but sincere way.

Percy himself is the central figure. But we could also have some of his old friends or siblings make an appearance. Maybe Fred and George could visit Hogwarts and play some pranks on Percy in his classroom, adding some humor to the fanfic. And then there could be a new transfer student from a foreign wizarding school who Percy has to guide in adjusting to Hogwarts life.

I'm sorry, I don't know who the author of this fanfic is. There are so many fanfic writers out there, and without more information, it's impossible to determine.

Some 'crazy castiel fanfic' are centered around Castiel's own self - discovery. He could be exploring his identity as an angel who has become more human - like over time. In these stories, he might be learning about human emotions, values, and relationships in a very different way. He could have encounters with other angels who don't understand his new - found 'humanity', which leads to some intense and thought - provoking situations.

Some fans would be extremely shocked and heartbroken. Dean and Castiel have a very complex and beloved relationship in the fandom, so seeing Castiel kill Dean would go against what many fans hope for in their relationship. They might be very vocal about their disappointment.

It might be Sam Winchester. Maybe in a different take on the Supernatural world, Castiel has developed a special connection with Sam. Sam is often the more level - headed one, and Castiel could see in him a stable and loving partner. The fanfic could explore how their relationship has grown from just acquaintances to something much deeper, leading to Castiel's decision to propose.

I think younger readers who are fans of the Harry Potter series and are looking for something a bit different would be interested. They might be intrigued by the idea of a new character, Harry Dresden, coming in and shaking things up at Hogwarts. And for those who like to explore different interpretations of magical worlds, this fanfiction would be right up their alley.

One common theme is Castiel's struggle with his angelic nature. He often has to balance his loyalty to heaven and his newfound connections with humans.