Obviously Superboy and Batman Beyond (Terry McGinnis) are must - includes. But also, characters like Max Gibson from Batman Beyond can add a lot. She's smart and tech - savvy, which can be useful when dealing with the mix of Kryptonian powers and high - tech in the fanfiction. Another popular one could be Krypto if you want to bring in some of Superboy's more traditional elements.
For sure Superboy and Batman Beyond. But also, the Jokerz from Batman Beyond can be really fun to include. They can provide some comic relief as well as be a real threat. And if you want to explore more of the Kryptonian side, characters like Jor - El in holographic form could be added. He could offer guidance to Superboy and also be a source of mystery in the story.
In 'Batman Beyond Crossover Fanfiction', Terry McGinnis is a must - have. He is the main protagonist. Another popular character to include is Max, Terry's friend. She can provide support and a different perspective. Also, characters from other DC Animated Universes like Static Shock could be included. His electrical powers and street - smart attitude would contrast well with Batman Beyond's high - tech and more serious approach.
Robin, in all his incarnations, is also a popular character in fanfiction related to Batman. He represents the sidekick aspect and the growth and development that comes with it. In Batman Beyond, Commissioner Barbara Gordon also features prominently in some fanfictions. Her connection to the original Batman era and her role in the new one can be explored in interesting ways.
Max is quite popular in 'Batman Beyond Unmasked' fanfiction. She is Terry's friend and often gets involved in his adventures. Her character provides an interesting contrast to Terry's more serious and secretive nature. Another popular character is probably Commissioner Barbara Gordon. She has a connection to the old Batman days and her role in the future Gotham is always an interesting topic in fanfiction.
Robin himself is often a very popular character. Fans love to explore his character arc and development.
The Flash is also a favorite among fans for Justice League - related fanfiction. His super - speed can create exciting action scenes and unique plot twists. And for Batman Beyond, Commissioner Barbara Gordon is often a character of focus. Her relationship with Terry and her role in the new Gotham are rich areas for fanfiction.
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.
Well, one character that would be interesting to include is Commissioner Barbara Gordon. She has a long history with the Batman universe and can serve as a link between the old and new. In addition, Brother Eye could be a great addition. It's a powerful and complex entity that can create all sorts of plot twists. And don't forget about Inque. Her shape - shifting abilities can make for some really exciting and unpredictable story elements when combined with Batman and Barda's story.
Catwoman can be a great character in such fanfiction. She has her own moral code that often clashes with Batman's. Her presence can create more tension and also add an element of romance. She could also interact with Red Hood in interesting ways, perhaps seeing some of herself in him.
Batman himself is of course extremely popular. He is the central figure, and in 1939 fanfiction, people love to explore different aspects of his character, like his detective skills and his relationships.
Definitely Superboy himself. He is the central character. Then, Superman could be a great addition. He could act as a mentor to Superboy in dealing with the baby situation. Lois Lane could also be included. She could be the one providing some practical advice on taking care of a baby. And of course, the baby character is essential.