Definitely Draco Malfoy. His family was on the wrong side of the war, and he has a lot of room for growth and redemption. Fanfiction could explore how he tries to make amends, perhaps by using his family's wealth and influence for good in the rebuilding of the wizarding world. He could also form unexpected friendships with former enemies.
Luna Lovegood is an interesting choice. She has such a unique perspective on the world, and in the post - war era, she could be involved in exploring the more hidden and strange aspects of the wizarding world that were overlooked during the war. Maybe she discovers new magical creatures or lost spells.
One of the most interesting characters to write about in post - war Harry Potter fanfiction is Teddy Lupin. He's a new generation, a half - werewolf orphan. His story could be about finding his place in the wizarding world, coming to terms with his unique heritage. And then there's George Weasley. After losing Fred, his post - war story could be about how he copes with grief while still running Weasley's Wizard Wheezes and maybe even expanding the business in new, innovative ways.
Definitely Snape. His complex character with his love for Lily and his role as a double agent has so much potential for exploration through memories. Harry himself is also interesting as his memories can uncover more about his family and his own growth. And Dumbledore, his past is full of mystery and his memories could reveal many secrets about his actions and motives.
Leonidas from '300' would be a great character to focus on. Imagine his reaction to the magic of the Harry Potter world. He's a fearless leader, and seeing him interact with wizards and magical creatures would be fascinating. He might see the magic as a new weapon or a strange form of sorcery that he has to either embrace or fight against.
Bellatrix Lestrange is also really interesting. Her extreme loyalty to Voldemort and her wild, unpredictable nature can add a lot of drama to a fanfiction. You could explore her relationship with her family, especially her sister Narcissa, and how that influenced her actions. Another interesting villain is Draco Malfoy. While he's not a full - blown villain in the end, his struggle between following his family's dark legacy and doing the right thing can be a great focus for a fanfiction.
Harry Potter himself is a likely candidate. He has endured so much throughout his life, from the death of his parents to the constant battles against Voldemort. Fanfiction could explore his post - war trauma and how he tries to lead a normal life.
Definitely Harry Potter and Kim Possible themselves. Harry has his whole wizarding world experience and his fight against dark magic, and Kim has her crime - fighting skills and high - tech gadgets. Their different worlds and abilities would create a really interesting dynamic as they try to understand each other and work together.
In War for the Planet of the Apes fanfiction, Rocket is an interesting character. He has been with Caesar from the start and his loyalty can be explored in different scenarios. He could be the main character in a story where he has to step up in Caesar's absence. Then there's Nova, the human girl. Her relationship with the apes and how she adapts to living among them can be a great plot point. Also, Winter, one of the apes, could be focused on. His growth within the ape community and his role in the battles can be interesting to write about.
Flash is always an interesting character. His super - speed gives him a unique perspective and allows for some really cool action scenes. You can explore how he perceives time differently during battles.
Doctor Strange would be an interesting character to focus on in a Harry Potter MCU fanfiction. He already has knowledge of magic in the MCU, but it's a different kind of magic compared to that in Harry Potter. He could compare and contrast the two magics, and perhaps even learn new spells from the Harry Potter universe. His presence could also bridge the gap between the two universes in terms of magic.
Byleth is a very likely candidate. As the main character in the game, their leadership during the war and their influence on the students would likely continue in the post - war period. They could be the one guiding the rebuilding efforts or mediating between different factions. Another is Edelgard. Given her role in the war, she would have a lot to do in terms of making amends and leading her people in a new era of peace. Her character development post - war could be really interesting to explore.