Abaddon is often a popular 'Knight of Hell' character in fanfiction. Her strong and devious nature makes for great storytelling. Writers can explore her backstory more deeply, like her rise to become a Knight of Hell and her motives for causing chaos in the Supernatural world.
In some of these fanfictions, Ruby can be a popular character. She has her own history with the Winchesters and with the underworld. When a daughter of hell is introduced, Ruby's knowledge and her own motives can make for some interesting plot developments. And then there's also Rowena, a powerful witch. Her magic and her devious nature can create all sorts of trouble and alliances when combined with the presence of a daughter of hell.
One popular character type is the fearless ghost hunter. They are usually well - equipped with all kinds of high - tech and supernatural gadgets. They are brave and not easily scared, always ready to face whatever horrors the Hell House throws at them.
In many fanfictions, Dean as a Knight of Hell can bring a whole new dynamic to the Supernatural universe. His relationships with other characters, like Sam, would be severely tested. He could be seen as a threat by some and a potential ally by others who hope to control or redeem him.
In some fanfictions, the Queen of Hell is portrayed as a complex character with a tragic past. Maybe she was once an innocent soul who was wronged and turned into a demon, and her rise to the throne of Hell was a journey of revenge. This type of portrayal makes her more sympathetic and adds depth to the character. Also, there are portrayals where she is a master strategist, always one step ahead of the heroes in the story.
Zero is often very popular. His complex character, being a vampire hunter with vampire blood himself, makes him full of contradictions and depth. Fans are intrigued by his internal struggle between his human side and the vampire instincts within him.
Well, in some fanfictions, Dean as a Knight of Hell has enhanced physical abilities. He can be faster, stronger, and more resilient. This makes him a formidable force in battles against both demons and other supernatural creatures.
Castiel is also a favorite. His angelic nature and his complex relationship with the Winchesters can take on new dimensions in inflation fanfiction. For instance, if there's an inflation of angelic powers, how he navigates that while still being involved with Sam and Dean makes for great story material.
The witches are often popular. They have a lot of powers and can be both good and bad, which gives a lot of room for character development. For example, a witch might start off using her powers for selfish reasons but then learn to use them for the good of the community.
Harvey Dent, or Two - Face, is another favorite. His fall from grace and his split - personality concept offer a lot of room for exploration. Fanfiction can delve into his recovery attempts or his further descent into villainy.
Batman is obviously a very popular character in the fanfiction. He is the central figure in the Arkham Knight story, and writers often explore different aspects of his character, like his detective skills or his relationships with other characters.