It's hard to say without reading it, but it could be the little potion master themselves as the main character. There might also be a mentor figure, like an old wizard who teaches the potion master the tricks of the trade.
In 'little potion master fanfiction', the main character is likely the young or 'little' potion master. They might be joined by other characters like a magical pet that helps them find ingredients. There could be a group of friends who support the potion master in their adventures, and there may also be a villainous character who tries to steal the potion master's recipes or disrupt their work for some nefarious reason.
Harry is the central figure, but there could be new characters introduced. For example, an old - time potion master who becomes Harry's mentor. This mentor could guide Harry in the art of potion - making, sharing ancient secrets. And then there could be some rivals, students or even professional potion - makers who envy Harry's talent and try to undermine him.
A 'little potion master fanfiction' might revolve around the character of a potion master who is perhaps not fully grown or is just starting out. It could include things like their encounters with strange potions that have unexpected effects, their relationships with other magical beings who might be interested in their potions, and their journey to become a great potion master. For example, they could be learning from an old and wise master and getting into all sorts of trouble while trying to master new recipes.
Hermione Granger also shows up a lot in Potion Master fanfiction. Since she was always so good at academics, including potions, she might be the protégé of the Potion Master or even collaborate with them on some new potion - related project. Additionally, characters like Draco Malfoy can be popular. He could be a rival to another character in the potions classroom, or perhaps he has a change of heart and becomes interested in the art of potion - making under the guidance of the Potion Master.
Well, of course, it's Sasuke and Naruto. In this type of fanfiction, we usually see how their relationship is affected by the love potion. Sasuke might initially be angry or confused about his new feelings caused by the potion. Naruto, being Naruto, will probably be more open - minded about it. Their interactions, like their conversations and the way they look at each other, are central to the story.
Hermione Granger might also be a main character. Given her intelligence and thirst for knowledge, she could be researching the truth potion, its properties, and how to counter its effects if it's being misused.
There could be the little master as the central character, and there might be a mentor figure. This mentor could be an old wise person who guides the little master. Also, there could be some antagonists, like a bully or someone who tries to stop the little master from achieving their goals. The friends of the little master could be characters with different personalities, some brave, some clever, and they all help the little master in different ways throughout the story.
I don't know the specific main characters in 'the love potion novel' as I haven't read it. But it could have a young protagonist, perhaps a girl or a boy, who is either trying to use the love potion for a good cause or trying to stop its misuse.
Since I don't know the specific 'love potion novel', I can't say for sure. But usually, there might be a character who creates or uses the love potion. There could also be the characters who are affected by the potion, like the ones who fall in love because of it.
Obviously Merlin himself could be affected. He's the one with the magic and might accidentally expose himself to the potion. Arthur is also a likely candidate. As the king, if he's affected by the love potion, it would have a huge impact on Camelot. Morgana could also be a character affected. If she were under the influence of a love potion, it could change her plans and her relationships with other characters. And Guinevere too, since she has important relationships in Camelot that could be altered by the potion.
Sheen is very likely to be affected. He's impulsive and would probably be one of the first to come into contact with the love potion. His over - the - top personality would make his actions under the influence of the potion really exaggerated, like falling in love with the most random things. Carl could also be affected. He's a bit of a follower, so if Sheen gets affected, Carl might follow suit without realizing it. And of course, Cindy. Since she and Jimmy have that sort of love - hate relationship, if she gets affected by the love potion, it could lead to some really interesting and comical situations between them.