Sure. 'The Avengers meet Sherlock Holmes' is a really funny one. It has the Avengers' characters in the Victorian London setting of Sherlock Holmes, and the clash of the two different universes' logic and personalities creates hilarious situations.
Another great one is 'My Little Pony and Transformers crossover'. It's a really unexpected combination. The colorful ponies and the giant robots coming together results in a lot of funny dialogues and situations as they try to understand each other's worlds.
There is also 'Harry Potter and the Star Wars crossover'. Picture Harry Potter using a lightsaber instead of his wand, and Darth Vader trying to cast spells. The way the two very different magic systems interact in this fanfiction is quite comical.
One great 'funny fate crossover fanfic' could be the one where the characters from Fate series end up in a modern high school setting in a completely comical way. The misunderstandings that occur between the Servants and the modern students are really hilarious.
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.
One great 'fallout crossover fanfiction' is the one where Fallout characters cross over with the world of Borderlands. It creates interesting scenarios with the unique weaponry and characters from both universes. Another interesting one is the Fallout and Bioshock crossover, which combines the post - apocalyptic setting of Fallout with the dark and atmospheric Rapture from Bioshock.
Sure. 'Zoro and the Magic World' is an interesting one. It crosses Zoro with a magical world where he has to use his sword skills in a whole new way. Another good one is 'Zoro Meets the Superheroes'. Here, Zoro teams up with various superheroes and they face off against powerful villains together.