Toothless is definitely one of the most popular. Since he's Hiccup's closest dragon companion in the original story, in fanfics where Hiccup is a shapeshifter, Toothless can have a whole new dynamic with him. He might be the one to help Hiccup understand his new abilities, or be protective of him when others are suspicious. Astrid is also popular. She could be the one who discovers Hiccup's secret and has to decide whether to keep it or tell the others. Her relationship with Hiccup, which is already complex in the original, can take on new twists and turns in these fanfics.
There could be Toothless. Even though Hiccup is now a dragon, his connection with Toothless from his previous human life might still be there. Toothless could play a crucial role in helping Hiccup adapt to his new form.
One common plot could be Hiccup's struggle to control his new dragon - like abilities. He might accidentally transform at inopportune times, causing chaos. For example, during a village meeting, suddenly turning into a dragon would surely startle everyone. Another plot could involve him using his shapeshifting to better understand dragons, leading to new ways of communicating with them. Maybe he discovers a hidden dragon lair that only a dragon - like being can access, and uncovers secrets about the dragon world that help Berk.
Obviously, Hiccup is one of the main characters. He's the one who has a connection with the Dragon God.
The main characters are usually Hiccup and Toothless. Hiccup is the human protagonist, a Viking who has a special bond with dragons. Toothless, a Night Fury, is his dragon companion.
Sometimes Astrid can also be a main character in these fanfics. She's Hiccup's friend and fellow dragon rider. Her presence can add a different dynamic, like in a story where she and Hiccup have a disagreement about how to handle a dragon - related situation, but in the end they work together to solve the problem.
In 'hiccup the dragon prince fanfiction', aside from Hiccup and the Dragon Prince, there could also be other important characters. For instance, Astrid from Hiccup's world might make an appearance. She is a strong - willed and skilled warrior. In the context of the fanfiction, she could be a great ally or even a source of conflict. Also, characters from the Dragon Prince's world like his loyal friends or advisors could play significant roles. They might initially be skeptical of Hiccup but then come to respect him as they see his abilities with dragons.
There might be a human female warrior who has hiccups that are both a hindrance and a unique part of her identity. In some fanfictions, she could be a sidekick to a more well - known hero, but her hiccups end up saving the day in unexpected ways, making her a popular character.
Obviously, Hiccup is one of the main characters as the title implies he is the one taming the stardust dragon.
The main characters typically start with Hiccup. He's the heart and soul of the Dragon Army. Astrid is his important counterpart, bringing her own brand of courage. Fishlegs is crucial for his understanding of dragons. Snotlout, with his bravado, and the twins with their wacky antics are also integral. Additionally, the dragons themselves, like Toothless, Stormfly, Meatlug, etc., can almost be considered main characters as they play such a big part in the adventures of the Dragon Army in the fanfictions.
One popular 'HTTYD Hiccup is a Dragon Shifter' fanfic could be 'The Dragon Within Hiccup'. It explores how Hiccup's new ability as a dragon shifter changes his relationship with Toothless and the other dragons. Another might be 'Hiccup's Shifting Destiny' which delves into the challenges he faces while hiding his new form from the village at first.