A healer from a remote planet who has special knowledge about pregnancies in Force - sensitive beings could be introduced. This character could help Padme during her difficult pregnancy. Another could be a smuggler who is hired to transport Padme to a safe location for the birth of her child. Also, a young Jedi apprentice who discovers Padme's pregnancy and has to make a choice about whether to inform the Council or not.
A midwife from a culture that has a deep understanding of the Force in relation to childbirth could be a great new character. She could bring in unique traditions and knowledge to help Padme. Then there could be a young resistance fighter who stumbles upon Padme's situation and decides to protect her at all costs. Additionally, a Sith apprentice who is sent to spy on Padme during her pregnancy but ends up having a change of heart and becomes a double agent.
A young, tech - savvy orphan who has a natural ability with the Force but doesn't know it yet. They could be living on a war - torn planet and get discovered by a wandering Jedi. Another could be a grizzled veteran of some other conflict who decides to join the fight in the Shadow Wars for personal reasons.
A young Twi'lek mechanic who is forced to work for the Infinite Empire but secretly sabotages their ships. She could be really smart and resourceful, using her skills to help the resistance.
A potential new character could be a magical art teacher who has the ability to bring out the best in Evillustrator's powers. Another could be a street artist who becomes friends with Evillustrator and gets caught up in the superhero - villain drama. Maybe a young aspiring artist who looks up to Evillustrator and tries to help him turn good.
Maybe some of Sirius' old schoolmates that he hasn't seen in a long time could be introduced. They could come to visit Sirius and Harry and bring with them new stories and magic. Another potential character could be a mysterious neighbor who is also a wizard but has been in hiding. This neighbor could either be a friend or a foe, adding an element of mystery to the story.
A young dragon rider from a distant island who has a very different style of riding and communicating with dragons. This character could bring new techniques and ideas to Hiccup and his friends.
A young and talented artist could be a new character. The empress could commission the artist to create a portrait or some art for the palace, and in the process, a unique friendship or a complex relationship could develop. The artist could also be a source of inspiration for the empress in different ways.
One potential new character could be an old hermit - like wizard who has been living in the woods near the manor. He has a deep connection with the land on which the manor stands and can communicate with the spirits of the forest. He could be a source of ancient wisdom for the main characters. Also, a young and adventurous witch who is on a quest to find a lost magical gem that is rumored to be hidden somewhere in the manor. She could bring a new dynamic to the group with her fearless and independent nature. There could also be a magical gardener who takes care of the manor's enchanted gardens and has some secrets of his own.
Maybe a smuggler. Smugglers have always been an interesting part of the Star Wars universe. They often get caught up in bigger events and have their own set of skills and motives. So a new smuggler character could be a main character in the new story.
Besides Padme, Anakin is a key character. Their love story is a big part of the Star Wars lore. Additionally, there could be characters from Padme's home planet who play important roles, like her family members or advisers. They might influence her decisions and actions throughout the novel. Also, some Jedi might be involved as they are often intertwined with the political and personal affairs in the Star Wars universe.
Darth Maul could be a great character. His unique appearance and his thirst for power would make him an interesting addition to a Sith harem. He could be the enforcer, using his double - bladed lightsaber to protect the group.