Captain Kirk from Star Trek is often a popular choice. His bold and adventurous nature can add a lot of action to the crossover. He might be the one to initiate contact with Babylon 5 characters and lead the exploration of the new universe.
Delenn from Babylon 5 is also quite popular. Her wisdom and leadership in the Babylon 5 series can make for interesting interactions with Star Trek characters. She could bring a different perspective on politics and spirituality to the crossover.
Captain Kirk from Star Trek is often a popular character in these crossovers. His bold leadership style and charisma can bring a lot to the story. In Babylon 5, Sheridan is also a favorite. His ability to navigate the complex political situation in Babylon 5 can create interesting scenarios when paired with Star Trek characters.
A crossover involving a shared enemy. Maybe a new alien race that is a threat to both universes emerges. The combined forces of Babylon 5 and Star Trek would have to pool their resources. The Starfleet officers could share their scientific knowledge to analyze the new threat, while the Babylon 5 personnel could offer their street - smart combat and negotiation skills developed from their own experiences in the often - tumultuous Babylon 5 station.
One interesting idea could be the interaction between the different alien species from both universes. For example, seeing how Vulcans from Star Trek would interact with the Minbari from Babylon 5. Maybe they would exchange knowledge on logic and philosophy.
Q is a character that is frequently used in Star Trek crossover fanfiction. His omnipotent and mischievous nature can stir up all kinds of chaos when he interacts with different Star Trek crews. He can easily create situations that force characters from different series to work together or face challenges they never expected. Another popular character is Seven of Nine from Voyager. Her Borg - related backstory and her journey towards humanity can be a great addition to crossovers, especially when paired with characters who have different views on artificial intelligence.
The communication devices are another area. Star Trek's communicators are well - known. Babylon 5 also has its communication systems. In the fanfiction, they might try to integrate the two for better long - range and inter - universe communication. This could involve some technical difficulties as they have different frequencies and encryption methods, but it would be exciting to see how the characters overcome these challenges.
Darth Vader and Spock are also popularly paired in these crossovers. Vader's dark power and Spock's logical Vulcan nature create a great contrast. Fans like to explore how Spock might try to understand Vader's fall to the dark side, or how Vader would react to Spock's unemotional exterior. Princess Leia and Uhura are another pair that gets a lot of attention. Their strong female characters could collaborate on various missions and share their experiences of being in male - dominated fields in their respective universes.
Q from Star Trek is also a favorite in crossovers. His omnipotent and mischievous nature can create all kinds of chaos in the Star Wars universe. He could play tricks on the Jedi Council or have a face - off with the Emperor. And Yoda is another one. His small stature but great wisdom can be a source of inspiration or confusion for Star Trek characters who might not be used to such a unique form of wisdom.
Captain Picard is often very popular. His leadership skills and moral compass make him a central figure in crossovers. He can interact with other characters in really interesting ways. Data is also a favorite. His quest to understand humanity can take on new dimensions when he's in a crossover situation, like interacting with characters from different universes who have different concepts of what it means to be alive.
Seven of Nine would be an exciting character to include. Her unique backstory and abilities could add a lot to a crossover. In a crossover with the Doctor Who universe, for instance, her Borg knowledge might be useful in dealing with the Cybermen. Picard is also a classic character. His diplomatic skills could be put to the test in a crossover with the Star Wars universe, negotiating with the Galactic Republic or the Empire.
Spock is also a common character. His logical nature contrasts with Khan's more passionate and sometimes reckless behavior. Writers like to explore how Spock would handle Khan's unpredictability and whether he could reason with him.