Toge Inumaki is important too. His special cursed speech ability makes him stand out. Also, the principal of the school, Masamichi Yaga, is likely to be important as he is in a position of authority and has an influence on Gojo and the other students. There could be other characters like the members of different clans that also play roles in the complex web of the story.
One characteristic is the exploration of an unlikely friendship. Since Wander is so positive and Lord Hater is often grumpy, seeing how they interact and become friends in fanfiction is fascinating. Another is the creativity in plot. Writers can create all sorts of scenarios, like the two having to work together to save a planet or solve a mystery. It often also has a lot of humor, as Wander's naivete and Hater's over - the - top villainy can create some really funny situations.
Common themes in 'hater x wander fanfiction' include character development. Hater's transformation from a self - centered bad guy to someone with more empathy is often explored. Another is the power of kindness, as Wander's positive attitude has an impact on Hater. There are also themes related to forgiveness. Hater may have done wrong in the past, but Wander's forgiveness or understanding can be a key part of the story. Additionally, the theme of discovery is present, where both characters discover new things about themselves and each other as their relationship progresses.