There might also be other Autobots such as Bumblebee. Bumblebee could be Harry's friend, always there to help him out in tight situations. Maybe there's a human - Autobot liaison character who helps Harry understand the Autobots better. And let's not forget, there could be some antagonists from either the wizarding world or the Decepticons' side who play important roles in driving the story forward.
Kakashi could be another important character. His intelligence and wide range of ninja techniques can bring a different aspect to the story. And for the Autobots, Ratchet is often used. His role as a medic can be interesting when combined with the ninja's healing techniques in Naruto.
Starscream could also be a main villain in this fanfic. He is always looking for a chance to gain power and prove himself. He might see the battle of Autobot City as an opportunity to take over the Decepticons or get some valuable Autobot technology for his own gain.
Well, one possible interesting plotline could be Harry teaming up with the Autobots to fight a common enemy. Maybe there's a powerful Decepticon that threatens both the wizarding world and the Autobots' home planet, and Harry's magic combined with the Autobots' technology is the key to victory.
No, Harry Potter is not an Autobot fanfiction. Harry Potter is a distinct fantasy series centered around magic, wizards, and the wizarding world created by J.K. Rowling. It has no relation to the Autobots which are from the Transformers franchise.
In 'Harry and Teddy fanfic', the two main characters are Harry and Teddy. Harry is the one who has been through so much in the wizarding world. He has a sense of responsibility towards Teddy. Teddy is a character full of possibilities. He's the product of a tragic event (his parents' death), and Harry's presence in his life is like a guiding light. Their personalities, Harry's wisdom and Teddy's eagerness to learn, are often explored in these fanfics, which makes for very engaging stories.
In some fanfics, there could be magical animals other than crows. For instance, a wise old owl that serves as a mentor to Harry. The owl could give Harry advice on how to deal with various situations, such as when he is facing a difficult choice or when he is in danger. These additional characters add more depth and variety to the fanfic stories.
Then there might be some souls that Harry has a special connection with. These souls could be recurring characters, each with their own backstory and personality, and their interactions with Harry would drive the story forward in different ways.
Harry is the central figure. But there could also be other students who become aware of Harry's situation. For example, Hermione might be a key character. She could be researching ways to either help Harry or deal with the consequences of his transformation. And then there could be a new character, perhaps a magical cat - keeper in the Forbidden Forest who has some knowledge about cat - like magic and can offer assistance to Harry.
There might be a villain, perhaps a dark wizard who is jealous of Harry's unique druid abilities. This villain would constantly try to undermine Harry and his efforts to use his powers for good, creating a lot of conflict in the story.
Well, it's hard to say for sure without reading the whole fanfic. But Harry is the central figure. There could be some older, wiser magical beings that are crucial to the story. They could guide Harry in his new life as a lich or try to put an end to his existence. And then there could be some ordinary wizards and witches whose lives are affected by Harry's transformation, and they might also be considered main characters in terms of how they impact the overall plot.