The antagonist could be a rival chef. This chef might be jealous of Chowder and Mung's success and try to sabotage their restaurant or steal their recipes.
Well, a 'chowder and mung fanfic' could involve them having a series of misadventures in the kitchen. Maybe there's a kitchen - based monster that keeps stealing their ingredients and they have to team up to catch it. Or perhaps they get into an argument over a recipe and then end up accidentally creating a brand - new and amazing dish while trying to prove each other wrong.
Well, it could be about Chowder and Mung going on a wild adventure in a magical food land. Maybe they discover a new recipe together that has some sort of magical powers.
The main characters are obviously Chowder and Mung. Chowder is the young, eager apprentice always looking to learn more about cooking. Mung is the more experienced one, perhaps a mentor - like figure to Chowder.
Well, in chowder and mung fanfic, you might find stories where they team up to solve a mystery in the kitchen or have a friendly competition. The possibilities are endless and can range from light-hearted and comical to more heartfelt and emotional.
One storyline could be a friendly competition between Chowder and Mung to see who can create the most delicious new recipe. Another could be them helping a fellow character deal with a personal problem through their unique skills and friendship.
A powerful psychic alien that has been lurking in the shadows could be the antagonist. This alien has been observing Ben for a while and decides to use hypnosis to make Ben do its bidding. The alien's motives could be related to some intergalactic power struggle, and by controlling Ben, it hopes to gain an advantage over its rivals.
Perhaps a group of anti - technology extremists could be the main antagonists in an Ultron fanfic. They see Ultron as the symbol of all that is wrong with technology and are determined to take him down, no matter the cost. They might use their own advanced, but more rudimentary, technology to fight against Ultron. This would create an interesting contrast between Ultron's high - tech abilities and their more basic, yet effective, methods.
A rival medicine cat from another Clan might be the main antagonist. They could see Alderheart as a threat to their own status or the well - being of their Clan. So they might use dark magic or some underhanded tactics to bring about his death.
There could be an ancient evil spirit that has a vendetta against griffins. When it senses that Cousland has befriended a griffin, it targets them both, trying to destroy their new - found bond and cause chaos in the world they inhabit.
Vilgax could be a great antagonist. He could hack into the gaming systems to try and defeat Ben in a virtual world where the rules are different. He might use his advanced technology to create digital versions of his minions to attack Ben.