Terry McGinnis is definitely a popular character. He is the new Batman after all. His character often has a lot of development in the fanfiction as he tries to fill Bruce Wayne's shoes.
One interesting concept could be the evolution of Gotham in the 'batman beyond' universe as depicted in the fanfiction. Maybe new villains or anti - heroes emerge that are unique to this take on the story.
How about Ra's al Ghul? He has his own ideas about justice and order that are very different from Batman's. He could see Robin as a potential recruit for his League of Shadows. Ra's al Ghul could manipulate events to make Robin question Batman's methods and try to draw Robin to his side.
The 'All Star Batman and Robin Graphic Novel' probably delves into the origin and development of the relationship between Batman and Robin. There could be various villains they face, and it may also explore the moral and ethical dilemmas they encounter during their battles. It's a graphic novel that aims to present a new take on these iconic characters.
One idea could be exploring Robin's training in more depth. Maybe he has to face a new and extremely powerful villain all by himself during a training exercise that Batman has set up, which would test his skills and loyalty. Another plot could revolve around Batman and Robin's relationship being strained by an outside influence, like a media smear campaign against them that makes the public question their motives.
Well, it might be that this light novel focuses on the unique bond between siblings, specifically the sister. It could include different adventures or experiences that the main character has with his sister. It may also touch on how the sister's presence affects the main character's growth, decisions, and interactions with others.
In a 'batman hallucination fanfic', it could be centered around Batman's mental state. Since he's been through so much trauma and constantly battles in the dark world of Gotham, his mind might start to play tricks on him. The fanfic could delve into how these hallucinations affect his decision - making, his relationships with the Bat - family, and his overall mission to protect Gotham. It could also show how he tries to overcome or make sense of these hallucinations, whether through his own willpower, with the help of Alfred, or by using some high - tech gadgetry from the Batcave.
A 'batman interview fanfic' is likely to be a fan - created story where someone imagines interviewing Batman. It could touch on his origin story, how he developed his skills and gadgets. Maybe it also delves into his inner thoughts and emotions, like how he copes with the constant danger and the burden of being Gotham's protector. For example, the interviewer could ask him about his most difficult case and how it affected him.