In this fanfic, perhaps Harry gives Teddy the talk in the context of dealing with his family history. Teddy is an orphan, and Harry, having lost his own parents, could be imparting some knowledge on how to come to terms with that loss and still build a fulfilling life. Harry might also talk to Teddy about his metamorphmagus abilities, guiding him on how to use them responsibly in the wizarding society.
The main characters are obviously Harry and Teddy. Harry Potter, the famous wizard who defeated Voldemort, and Teddy Lupin, the son of Remus Lupin and Nymphadora Tonks. Harry is likely in a mentoring role here, while Teddy is the recipient of whatever knowledge or advice Harry is giving.
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.
Perhaps Snape gives them the talk about the importance of unity in the face of the dark forces that are always lurking. He could be using his own experiences to make them understand that they should put aside their differences for the greater good. For example, he might talk about how during the war, internal disputes among wizards only made it easier for Voldemort to gain power. By uniting, they could be a stronger force against any potential threats. Also, Snape might use this talk to make them realize that their personal grudges are petty compared to the bigger issues at hand.
The main characters are Harry and Teddy, but don't forget about the wizarding community around them. There could be other minor characters such as Teddy's teachers at Hogwarts when he gets older. They would play a part in Teddy's development, and Harry would interact with them to ensure Teddy has a good educational experience.
There might be a 'harry teddy fanfic' where they time - travel together. Harry and Teddy could go back in time to meet the founders of Hogwarts and learn some ancient magic. This would be a really exciting story as they face different challenges in the past.
In most teddy harry potter fanfic, Teddy Lupin is at the center. But other characters like Hermione Granger could also play important roles. Maybe she helps Teddy with his studies or gives him advice. And Ron Weasley could be there too, adding some humor to Teddy's adventures. Also, characters from Teddy's family, like his grandmother Andromeda, might be included to show his family background and support system.
The themes of friendship and mentorship are quite prominent. Harry is not only a friend to Teddy but also a mentor, guiding him in the ways of magic and life in general. It also often has the theme of facing one's past, as both Harry and Teddy have some difficult pasts to come to terms with.
It could also be about Harry's future. Snape might be giving advice on how to deal with Voldemort. He could be sharing his insights on the Dark Arts and how Harry can use that knowledge to his advantage without being corrupted by it. Snape has a complex understanding of the Dark Arts and might be trying to prepare Harry for the battles ahead.
Well, in fanfiction, 'batman gives the talk' could cover a wide range of things. It might be Batman giving a motivational talk to the police force in Gotham to boost their morale in the fight against crime. Or perhaps he's giving a talk to a young protege, sharing his wisdom about the responsibilities that come with power. It could also be him addressing the public about some new initiative he has to make Gotham safer.