Batman is often a popular character to feature in Young Justice Arkham Asylum fanfiction. He has such a strong connection to Arkham Asylum already in the DC universe. Robin, especially Damian Wayne, can also be a great addition. His youth and his complex relationship with Batman can add a lot of drama. Nightwing is another one. His experience as a former Robin and his leadership skills can be interesting to explore in the context of Arkham Asylum.
Superboy is really popular. His struggle with his identity as a clone and his place in the world makes for great fanfiction. Writers can explore his relationships with other characters like Superman, who he has a complex connection to, and his friends in the Young Justice team.
Nico from the Runaways is also very popular. Her magic powers and her leadership within the group can create some exciting storylines when combined with the Young Justice universe. For instance, she could teach some of the Young Justice members about magic if they encounter a magic - based threat together.
Definitely the Joker. He's always causing chaos in Arkham and would surely be interested in messing with the Young Justice team. Also, Harley Quinn might be there. She could be either an ally or an enemy depending on the situation. And then there's Scarecrow. His fear - inducing toxins could pose a real threat to the young heroes.
Artemis is a great character to feature. Her archery skills and her complex backstory can add depth to the group chat. She could be sharing stories about her family or her training in the chat, which the other members find both interesting and inspiring.
Dick Grayson (Robin/Nightwing) is extremely popular. He has a long history in the Bat Family and his acrobatic skills and leadership qualities make him a great character to write about. He also has a complex relationship with Batman, which can be explored in fanfiction.
In the fanfiction, if Young Justice goes to Arkham Asylum, they could find themselves in the middle of a prison break. The inmates might use the heroes' arrival as a distraction to make their escape. The team would then have to not only stop the villains from getting out but also figure out who masterminded the whole thing. It could also be a chance for some of the team members to face their own fears, as Arkham is a place filled with horror and madness.
Some common themes in Young Justice Arkham Asylum fanfiction could be redemption. For example, a character from Young Justice who has made mistakes might find a path to redemption within the walls of Arkham Asylum. Another theme could be the exploration of the dark side of the human mind. Arkham Asylum is a place full of the criminally insane, and fanfiction might delve into how the Young Justice characters deal with that level of madness. Also, friendship and loyalty can be a theme. When facing the horrors of Arkham, the bonds between the Young Justice members might be tested and strengthened.
In DBZ and Justice League fanfiction, Trunks is a fan - favorite. His time - traveling abilities and his cool - headed nature can add a lot of depth to a story. Flash is also popular as his speed can be compared and contrasted with the fast - moving Saiyans. And let's not forget about Bulma. Her intelligence and role as a tech - genius can bring a different dynamic to the crossovers. She could be the one to create some new technology to help both the DBZ and Justice League characters in a story.
Batman himself is extremely popular. His dark and brooding nature, along with his incredible intellect and combat skills, make him a central figure. Superman is also a common choice. His god - like powers and moral compass add a lot of depth to the stories. Wonder Woman is another popular character. Her strength, both physical and in terms of her beliefs, can be explored in many different ways within the fanfiction.
The Flash is also a great character for this type of fanfiction. His super - speed can be used in really creative ways in a game. For example, he could be the one running so fast through the game levels that he discovers hidden areas or is able to outrun time - based challenges.