Since we don't have much information about the 'dragon's prince's bridge novel', it's difficult to be certain. However, it's likely that the prince is a central figure. If the dragon is intelligent, it could be another main character. And if the bridge is a special place, there might be a character who guards it or has knowledge about it. Maybe there's a wizard or a warrior who accompanies the prince on his journey related to the bridge and the dragon.
I'm not acquainted with the 'dragon's prince's bridge novel' so I'm just guessing. The prince is surely an important character. The dragon, depending on its role in the story, could be a major character as well. There might be a local villager or a sage near the bridge who plays a crucial role. This person could provide the prince with valuable information about the bridge and the dragon, or they could assist the prince in some way during his encounter with the dragon and exploration of the bridge.
As I haven't read the 'dragon's prince's bridge novel', I can't say for sure. But I assume the prince is one of the main characters. And the dragon might also be a main character, perhaps as an antagonist or an ally. There could also be other characters like the prince's friends or advisers who help him in his adventures related to the bridge.
Obviously, the dragon prince and his bride are the main characters. There might also be some supporting characters like the prince's family members or the bride's friends who play important roles in the story.
I'm not sure specifically as I haven't read this 'dragon's prince's bridge novel'. It could be about a prince who has some sort of connection to a dragon and a bridge might play a significant role in the story, like a place of adventure or a symbol of a journey.
There may be a female character who has a significant relationship with Alexander. Maybe she is his love interest or someone who challenges him in different ways. In many novels, such a character helps to develop the main character's story further.
Typically, there is a young protagonist in the 'dragon prince novel'. There might also be a wise old dragon or a powerful mage as important characters.
The dragon prince himself is surely a main character. There may also be some human characters like a brave knight or a cunning wizard who cross paths with the dragon prince. And perhaps some elf characters as well, who might have their own agendas and play important roles in the story.
Since I haven't read it, I'm not sure exactly. But surely the dragon prince and his bride are the main characters. There may also be other important characters like the dragon prince's family members or friends who play a role in their relationship, or perhaps some sort of mentor figure for the bride.
I don't have enough information to determine the main characters. But I would assume Ada is likely to be one of the main characters since her house is part of the title. Maybe there could be someone related to the Bridge of Peace as well, like a bridge keeper or a person who has a special connection to the bridge.
The dragon prince is surely a main character. Besides him, there could be characters from different species. For example, there might be a brave human who forms an unlikely alliance with the dragon prince. And perhaps there is an old and wise wizard - like character who provides guidance. There may also be some antagonists, like a power - hungry warlord who wants to take over the dragon prince's territory.
Since I don't know the exact novel, but generally, the main characters would be the dragon prince and his bride. There might also be other supporting characters like the prince's family members, servants in the dragon prince's court, or the bride's friends or family from her own world.
The dragon prince himself is surely one of the main characters. There might also be some human characters who interact with him, like a brave knight or a wise wizard.