The Morrigan from Celtic mythology is also often a character in such fanfiction. She has a complex personality and her powers of war and prophecy make her a great avenging goddess. Writers might show her avenging the slain warriors or cursing those who break oaths.
The avenging angel themselves is of course a central character. There's often a villain that the avenging angel is set against. And then there are the side characters, like the people the avenging angel is trying to protect. Sometimes there can be a mentor figure who guides the avenging angel in their journey.
One interesting 'avenging goddess fanfiction' could be about a goddess who avenges the wrongs done to a small village. She might use her divine powers to bring justice to those who have been oppressed by a tyrant. For example, she could cause floods to destroy the tyrant's fortress while protecting the innocent villagers.
Aphrodite is also very popular. Given her association with love and beauty, she could be involved in plots related to relationships. Maybe she tries to help a mortal couple fall in love or resolves a love triangle among the goddess girls themselves. She might use her charm to get others to see things her way in different situations.
Thor's sister, if she's included in fanfictions, is often a popular goddess character. Her Asgardian heritage and potential powers make her an interesting addition to the Avengers in the fictional stories. Also, Athena from Greek mythology is sometimes written into these fanfictions. Her wisdom and strategic skills can be a great asset to the Avengers. Another popular one could be Hela, with her dark and powerful abilities.
The goddess character herself is also very popular. Depending on how the author writes her, she could be a powerful and wise being, like Tsunade but with divine powers. Fans are often interested in her backstory, her powers, and how she views Naruto.
In many avenging Harry Potter fanfictions, aside from the Golden Trio, we might see some of the older characters like Sirius Black or Remus Lupin having a more prominent role. If the story is set in a time where they are still alive, they could be guiding Harry in his journey of revenge. Also, some fanfictions might introduce new characters who are either allies or enemies in Harry's path of vengeance. These new characters can add more complexity to the story.
In 'avenging ranma fanfic', Ranma is the key protagonist. He is the one who is on the path of avenging something or someone. Akane is bound to be an important character as well. Their relationship is always a crucial part of the Ranma 1/2 universe, and here it could be intertwined with the avenging plot. Additionally, characters like Shampoo and Ukyo might also be main characters. Shampoo, with her own strong martial arts skills and her complex relationship with Ranma, could be involved in the avenging in some way. Ukyo, too, has her own connection to Ranma and could bring her own brand of help or hindrance to his avenging mission.
Thor is often a popular character in 'Avengers Goddess Fanfic'. His godly status and connection to Asgard make him a natural fit when goddesses are involved. He might have a romantic or a platonic relationship with the goddess characters. Another popular one is Loki, his mischievous nature can add a lot of twists and turns to the stories.
The main characters would obviously include the boyfriend who gets resurrected and the person seeking revenge for him. There could also be the antagonists, those who caused the harm to the boyfriend in the first place.
One popular theme is the avenging angel's origin story. Many fanfictions explore how the character became an avenging angel in the first place. Another theme is their relationships with other characters, whether it's a friendship or a romantic connection. And of course, the act of avenging is a central theme, with stories delving into the reasons behind the avenging and the methods used.