Sure, Teen Titans belongs to the DC Comics universe. They have had many adventures and storylines within the DC framework. DC Comics has developed and expanded the Teen Titans franchise over the years.
Well, the 'Teen Titans Go' origin story starts with these diverse characters. Robin, for instance, brought his skills learned from the Dark Knight. Starfire came from another planet with her own set of abilities like flight and energy blasts. Beast Boy, who was experimented on, can turn into any animal. Cyborg was created after an accident that fused him with technology. Raven, with her demonic heritage, has strong magic. They joined forces as Teen Titans, facing challenges like the Brotherhood of Evil and other baddies in their city.
There are many great fanfictions about Robin and Starfire in Teen Titans Go. Some might focus on their first date, perhaps in a really cute scenario where Robin tries to plan the perfect evening for Starfire. He could take her to a special place in Jump City that has meaning for both of them, like the place where they first met as heroes.
Batman's origin in Teen Titans Go is somewhat of a comical take on the traditional origin. He witnessed the death of his parents in Crime Alley which drove him to fight crime. But in the Teen Titans Go version, it's presented with their signature humor.
One common theme is acceptance. The fanfics often deal with how the other characters accept the gay relationship within the Titans group. It shows the importance of friendship and support in such situations.
A cool Teen Titans Go fanfiction idea could be centered around a holiday. For example, during Christmas, a villain tries to steal all the presents in Jump City. The Teen Titans have to not only stop the villain but also make sure the city still has a great Christmas. Another idea is a fanfiction where Raven gets amnesia. The other Titans have to help her regain her memories while also protecting her from those who might take advantage of her in this vulnerable state. And then there could be a fanfiction where Beast Boy discovers a new animal form that he can't control at first, and the Titans have to help him master it.
The origin stories of Teen Titans Go are fascinating because of the diverse powers of the Titans. Starfire's alien powers, Cyborg's mechanical enhancements, Raven's magic - all these different elements combine in interesting ways. Their origin stories often explore how they discovered and learned to control these powers, which is really engaging.