Well, Rukia is also quite popular in 'bleach watch death battle fanfiction'. Her unique powers and her relationship with Ichigo can add a lot of depth to the stories. And then there's Grimmjow. His wild and aggressive fighting style makes him a favorite for many fans when it comes to 'death battle' scenarios in the fanfiction.
In these fanfictions, Ulquiorra is also a very popular character. His cold and calculating demeanor, along with his powerful abilities, make him a formidable presence in any 'death battle' situation. Also, characters like Kenpachi, with his love for battle and his brute strength, are always interesting to see in the fan - created 'death battle' scenarios within this type of fanfiction.
Wonder Woman is a very popular character in this type of fanfiction. Her combination of strength, combat skills, and her Amazonian heritage make her a fan favorite. She can hold her own in battles against both physical and magical opponents. The Flash is also up there. His super - speed can create some really cool and fast - paced battle sequences that readers love.
Blake is often featured. Her acrobatic fighting style, along with her ability to use her shadow clones, creates interesting death battle scenarios. Writers can explore her stealth and combat skills in various match - ups.
Kid Flash is another fan favorite. His super - speed abilities make for some really exciting death battle scenarios. He can be pitted against other speedsters or characters with different powers, and his cocky yet likable personality always makes for an interesting read in these fanfictions.
Naruto and Sasuke are definitely among the most popular. Their long - standing rivalry makes for exciting death battle scenarios. Kakashi is also quite popular as he has a wide range of skills. Madara Uchiha is another one, with his powerful Sharingan and vast combat experience.
Erza is also very popular. Her wide array of armors and combat skills provide a lot of material for death battle scenarios. Writers can come up with creative ways for her to use her different armors in battles against various foes.
Ben himself is obviously very popular. After all, it's his Omnitrix that's the centerpiece. Then there's Four Arms, who is often included because of his brute strength. Vilgax is also a common one as he is a major villain in the Ben 10 series and makes for a great antagonist in the Death Battle scenarios.
In the world of My Little Pony Death Battle fanfiction, Applejack is popular too. Her strength and no - nonsense attitude can be great in a fight. Also, characters like Princess Celestia and Princess Luna are often used. Their regal status and powerful magic abilities put them in the spotlight in many death battle stories. They can be the ultimate opponents or the ones that the other ponies look to for guidance during the battles.
Ulquiorra Cifer is often a popular character. His cool and somewhat mysterious demeanor in the original series makes him a great subject for fanfiction. Writers like to explore his inner thoughts and emotions more deeply, especially his relationship with Orihime.
One interesting idea could be unique power combinations. For example, if a character from 'bleach' were to gain a new ability during a 'death battle' scenario in the fanfiction. Another idea might be crossovers with other similar anime universes, which can create really exciting and unexpected battles.
Another character that might be featured is Jellal. His past and his powerful magic make him an interesting character for death battles. He could be pitted against both Fairy Tail characters and characters from other series in the fanfiction. Plus, characters like Mirajane in her Satan Soul form also have a high chance of being included due to their unique powers and abilities.