One great fanfiction could be about Catwoman's origin story within the animated series' universe. Maybe she starts as a small - time thief in Gotham's slums and gradually rises to become the iconic cat burglar we know. She could have a complex relationship with Batman that is explored more deeply, like her internal struggle between her feelings for him and her life of crime.
Batman: The Animated Series is considered to be a reasonably faithful adaptation of the comics. It keeps the key characters and major plot points, while also adding some unique touches to make it stand out as an animated series.
Sure was. Batman Beyond was indeed a comic that explored the adventures of a new Batman in a dystopian future. It had unique storylines and art styles that attracted many fans.
Harley Quinn in the Batman Animated Series is a complex and fascinating character. Her origin story, starting as a psychiatrist at Arkham Asylum, is a key part of her character arc. She falls for the Joker and gets dragged into his world of crime. This relationship is very one - sided, with the Joker often mistreating her, but she remains loyal for a long time. It shows her vulnerability and her warped sense of love.
In the Batman Animated Series, Harley Quinn was originally a psychiatrist named Dr. Harleen Quinzel at Arkham Asylum. She became infatuated with the Joker during her time treating him. His chaotic and manipulative nature intrigued her. Eventually, she fell so deep under his spell that she abandoned her professional ethics and joined him in his life of crime, becoming Harley Quinn.
An interesting idea is to write a story where Catwoman discovers a secret about Batman's past that even he doesn't know. This could lead to a strange alliance between them as they both try to figure out what the discovery means. It would also add a new layer to their relationship.