The theme of loyalty is quite prevalent. Toothless is always loyal to Hiccup and vice versa. It's often explored in different situations, like when they face danger or difficult decisions. Also, the theme of discovery is common. Hiccup might discover new things about Toothless or their world in the fanfictions.
One common theme is friendship. Hiccup and Toothless's bond is a deep friendship that defies species boundaries. Another theme is adventure. They often go on exciting quests together in these fanfictions.
One common theme is the exploration of their different personalities. Hiccup is the intelligent and often reserved one, while Ruffnut is more brash and impulsive. Fanfictions usually play with how these differences either clash or complement each other.
There are fanfictions where they get separated for a while. For example, Toothless might be lured away by a female dragon, and Hiccup has to go on a journey to find him. Along the way, Hiccup realizes just how much Toothless means to him and how empty his life is without his best friend by his side. When they finally reunite, their bond is even stronger.
Another theme could be adventure. In many fanfictions, they go on new adventures together, but with an added layer of their romantic relationship. Their relationship might face challenges during these adventures, like dealing with people who don't accept their relationship. This adds drama to the story. Also, the exploration of their different personalities - Toothless' wild yet loyal nature and Hiccup's intelligent and brave side - and how they complement each other in a romantic context is quite common.
Archive of Our Own (AO3) is also popular. It has a well - organized tagging system. So you can search for 'httyd', 'Toothless', and 'Hiccup' tags to find relevant fanfictions. The site also allows for more detailed filtering based on things like rating and word count.
Friendship is a very common theme. Their unique bond is often explored, like how they support each other in different situations.
One common theme is the exploration of a unique bond. Since Toothless is usually a dragon and now being a female in these fanfictions, the relationship with Hiccup can be seen in a new light, often involving a deeper emotional connection.
One common theme is adventure. Since they are based on the How to Train Your Dragon world, they often go on quests together.
Another theme is growth. In many fanfics, both Hiccup and Ruffnut grow as individuals while also growing closer as a couple. For example, Hiccup might help Ruffnut see the value in strategy, and Ruffnut might help Hiccup be more bold and take risks. There are often adventures that they go through together which contribute to this growth. Also, the theme of acceptance is prevalent. They accept each other's flaws and quirks, which is a big part of their relationship development.
One great 'httyd hiccup x toothless fanfiction' is 'The Bond Beyond Words'. It beautifully explores the deep connection between Hiccup and Toothless. The story shows their adventures in a new light, with vivid descriptions of their flying together and how they communicate without words.
A common theme is the exploration of an unusual bond. Since it's a cross - species relationship, there's often a focus on how they overcome the differences. Another theme is mutual understanding. Hiccup and fem Toothless have to understand each other's needs and wants. For example, in many fanfics, Hiccup learns to communicate with fem Toothless in new ways.