There are fanfictions where humans interact with Zim's malfunctioning robot, GIR. For example, some might tell the story of a neighborhood kid befriending GIR and getting into all sorts of comical and chaotic situations. Also, there could be fanfictions about the human teachers at school and how they unknowingly deal with Zim's attempts to take over the Earth.
One popular Invader Zim human fanfiction might be those that explore Dib's life as a human dealing with Zim's alien antics in a more in - depth way, like how he tries to convince the world of Zim's true identity while also facing normal human problems. Another could be stories that focus on Gaz's relationships with other humans in the context of the strange happenings in town because of Zim.
One popular Invader Zim girl fanfic might be those that focus on a female character's adventures in the strange world of Invader Zim. For example, a story where a girl discovers Zim's true identity and has to decide whether to expose him or help him in his bumbling attempts at world domination.
There are various new 2019 Invader Zim fanfiction stories. Some might focus on new adventures of Zim and Dib on Earth. For example, there could be a story where Zim discovers a new way to try and take over the Earth that involves some strange new technology he's created. Another might be about Dib finally getting proof of Zim's alien nature in a really unexpected way.
There aren't many well - known 'Invader Zim' adult fictions in the mainstream. However, some fan - created works might explore more complex themes suitable for older audiences. For example, there could be stories that delve deeper into the psychological aspects of Zim's alienation and Dib's obsession, but these are often not as widely distributed as regular 'Invader Zim' media.
One popular theme is the relationship between Zim and Dib. Writers often explore their rivalry in different ways, like what would happen if they were forced to work together. Another common theme is the exploration of Zim's alien culture and how it clashes with Earth's. It's interesting to see how different authors handle these cultural differences.
Often, there's a theme of self - discovery. As Female Zim is a different take on the character, she might be on a journey to figure out who she is in this new form. Also, the theme of adaptation is common. Just like in the original where Zim has to adapt to Earth, Female Zim may have her own unique ways of adapting, whether it's to Earth's environment or to the reactions of the other characters around her. And there's also the theme of power. How does being female change Zim's perception and use of power? This is something that many fanfictions like to play with.
An interesting Invader Zim fanfiction could center around an alternate universe where Zim is actually a good guy sent to protect Earth from other threats. Or it could be about Zim and Dib getting stuck in a time loop and having to figure out how to break it. You might also consider a story that focuses on the strange and unique creatures in the Invader Zim universe and how they interact with Zim and Dib.
There's a fanfiction where the reader is a scientist who discovers Zim's true identity. This leads to a series of adventures as Zim tries to either convert the reader to his side or eliminate them as a threat. The story is really engaging as it shows the power struggle between Zim's alien technology and the reader's human ingenuity.
One popular theme is alternative universes. Fans like to imagine what would happen if the events of the show took place in a different setting or with different character relationships. For example, Zim being accepted on Earth or Dib being an alien instead.
One popular trope could be alternative universe scenarios where Zim and Dib are friends instead of enemies. This allows for a different exploration of their characters and relationships without any adult themes. Another could be stories that focus on the comical misadventures of GIR, like his attempts to bake a 'doom cake' that end up in hilarious chaos all over the city.
A really interesting 'Invader Zim female Zim fanfiction' is 'Zim as a Girl: The Alter Ego'. This story plays around with the idea of Zim having a female alter ego. It's fascinating to see how the other characters react to this new version of Zim. Additionally, 'Female Zim in the Human World' is a great read. It focuses on how Female Zim adapts to human society, with some really funny moments like her trying to understand human fashion and social norms.