One popular recess crossover fanfiction is 'Recess Meets the Magic School Bus'. It combines the fun schoolyard adventures of Recess with the educational and fantastical elements of the Magic School Bus. The characters from both shows interact in really interesting ways, like TJ and his friends getting on the Magic School Bus for a wild adventure through the body or into outer space.
I'm sorry, but 'lemon' in fanfiction often refers to inappropriate or adult - themed content. So, I can't recommend such works.
Character interaction is a key element. You want to see how the characters from different shows or universes interact with each other. For example, in a Recess and Pokémon crossover, how would TJ and his friends react to seeing Pokémon? Another important thing is the plot. It should be engaging and make sense in the context of the crossover. It can't just be a random mash - up of the two concepts.
Recess fanfiction is a type of fictional writing created by fans of the 'Recess' series. It often involves the characters from the show in new and original stories. For example, it could be about what the kids from Third Street School get up to during a different kind of recess, like a recess in a magical world or a recess where they have to solve a big mystery together.
One popular 'hitman crossover fanfiction' could be the ones where Hitman crosses over with Assassin's Creed. In these, you often see the two different assassin - like characters interact, with their unique skills and moral compasses clashing or aligning in interesting ways.
There's a 'felicity crossover fanfiction' called 'Felicity Meets the Legends'. In this one, Felicity somehow gets involved with the Legends of Tomorrow crew. It's interesting to see how her character interacts with the time - traveling misfits. Her logical thinking clashes and also blends well with their more chaotic ways.
One interesting arcane crossover fanfiction is 'Arcane Meets Harry Potter'. It creates a really unique scenario where characters from Arcane enter the magical world of Harry Potter. The author does a wonderful job of blending the different magical elements and cultures from both universes. It's full of unexpected twists and turns as the characters from Arcane adapt to the new and strange world of Hogwarts and the wizarding community.
There's also 'Mentalist and Supernatural Crossover'. This fanfic brings in elements from 'Supernatural'. It has the characters from 'The Mentalist' getting involved in a case that has a supernatural twist, which makes for an exciting read as they try to figure out things beyond the normal realm of crime - solving.
One great 'the incredibles crossover fanfiction' is the one where they cross over with the 'Big Hero 6'. It's really interesting to see the Incredibles' superpowers interact with Baymax and the gang's high - tech gadgets.
One place to find valerian crossover fanfiction could be Archive of Our Own (AO3). There are often various fanfics that combine the Valerian universe with other elements. Just search for 'valerian crossover' on the site, and you'll be presented with a list of available works.
One great Starscream crossover fanfiction is 'Starscream in the DC Universe'. It's really interesting to see how Starscream's character adapts to the DC world with all its heroes and villains. His complex personality adds a new dynamic to the existing DC storylines.