One popular theme is the mentorship aspect. Batman guiding Little Robin in the ways of fighting crime and being a hero. Another could be their adventures together, like taking on Gotham's most notorious villains. And also, the bond of trust that develops between them over time.
Some stories may focus on the reactions of the other characters in the Batman universe. How Gotham's villains might react to the news, or how the Bat - family as a whole deals with it. There could be themes of acceptance and adaptation within the family unit as well.
In these fanfics, a major theme is the power of partnership. Batman and Robin work together to overcome challenges that they might not be able to face alone. Another common theme is heroism. Both characters are heroes, and the fanfics often explore different aspects of what it means to be a hero for each of them. There's also the theme of discovery, as Robin discovers his own potential and Batman discovers new ways to train and guide Robin.
Family is also a common theme. They are like a family, with Batman being a father figure to Robin. In some fanfictions, this family dynamic is explored in depth, like how they celebrate holidays together or deal with family - like arguments. Also, the theme of growth is there. Robin grows as a character, learning from Batman and becoming a better hero over time. This can be seen in various fanfictions where Robin starts as a novice and becomes more skilled and confident.
One popular theme is the exploration of their relationships. How they interact with each other on a personal level, like the friendship between Robin and Batgirl or Batman's paternal relationship with Robin. It adds depth to their characters.
Some of the popular themes include the training theme. Batman trains Baby Robin intensively, and this can lead to some great character - building moments. Then there's the theme of trust. They have to trust each other completely in their dangerous line of work. Additionally, the theme of legacy is often explored. Baby Robin is seen as the future of Batman's mission, carrying on the fight against crime in Gotham.
Batman and Robin themselves are of course very popular. Batman's brooding nature and Robin's youthful energy make for an interesting contrast that many fans like to explore in fanfiction.
Obviously, Batman and Robin are the main ones. But Alfred also plays a crucial role. He's like the heart of the family, taking care of them all. Then there are other characters like Batgirl who often gets involved in the family - centered stories.
A common theme is the corruption of the hero. Batman is known for his strict moral code, so when he kills Robin, it shows a breakdown of that code. Another theme could be the exploration of the consequences of power. Batman has a great deal of power and influence, and killing Robin could be a way to show what happens when that power is misused.
One common theme is the bond between Batman and Robin. When Robin is sick, it tests and strengthens their relationship. Batman's protective nature over Robin really shines through.
A frequent theme is the clash of personalities. Batman is often depicted as dark and brooding, while Robin can be more light - hearted and impulsive. In fanfiction, this difference can be exaggerated, leading to constant friction and eventually Batman hating Robin. Also, the theme of a broken father - son relationship often comes up. Batman is like a father figure to Robin, and when this relationship breaks down in a bad way, it can result in Batman's hatred.