Sotha Sil is one of the main characters. He is deeply connected to the Clockwork City.
There might be a mechanic who is responsible for maintaining the city's clockwork systems. He or she could be a central character, dealing with all the mechanical problems and perhaps uncovering secrets within the city as they work. There could also be a rebel figure who wants to break free from the strict order of the clockwork city.
As I don't know the specific 'clockwork original story', I can't say for sure who the main characters are. It could be an inventor who creates the clockwork devices.
Since I don't know the specific 'creepypasta clockwork love story' in detail, but likely one of the main characters is Clockwork. And there might be another character who is involved in the love relationship with Clockwork.
In the 'clockwork creepypasta original story', one main character could be the person who first encounters the strange clockwork. This might be a curious child who finds it in an attic or an antique store. Another important character could be the previous owner of the clockwork, whose actions or misdeeds might have led to the object's current state of being. And there may be a character who is trying to stop the clockwork from causing harm, like a local hero or a detective - like figure who is drawn into the mystery when people start to go missing or act strangely because of the clockwork.
There could also be a heroic character, like a young inventor who is trying to oppose the chaos caused by the Clockwork Joker. This character would use their intelligence and knowledge of mechanics to outwit the Joker and save the day.
In 'clockwork angels novel', the main character is a brave soul who dares to question the status quo of the clockwork - centric society. Alongside him, there are his friends and allies. One of his friends is a mechanically - inclined person who helps him understand the inner workings of the various clockwork devices. There are also the authority figures in the different parts of the world. These include the mayors or governors of the regions. The antagonists include a group of people who believe that the clockwork technology should be used to oppress the lower classes. They are constantly in conflict with the protagonist and his group, which creates a lot of the story's tension.
Not having read the book, I can only speculate. The clockwork girl must be a central character. There may be other characters such as a friend or ally who stands by her side in a world that might be hostile to her. There could also be a villain who sees her as a threat or an opportunity to gain power, depending on the nature of the story.
Perhaps there is a female lead who is a part of a resistance movement. She might have special skills or knowledge that make her crucial in the fight against the forces that want to misuse the clockwork power. She could also have a romantic sub - plot with another character in the story.
The main characters include Tessa Gray. She is the central character with her unique powers. Then there are Will Herondale and Jem Carstairs. Will is a Shadowhunter, who is complex and has his own secrets. Jem is also a Shadowhunter, and he has a special bond with Will. There are other characters as well, like Charlotte Branwell, who is in charge of the London Institute of Shadowhunters.
I'm not sure exactly, but it could be some brave adventurers.