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.
Wu Zhu was blindfolded because he was an AI robot with a pair of laser eyes. The blindfold was to protect the outside world from the harm of his eyes, because he could not control his own power. Wu Zhu's eyes could shoot out powerful laser beams that could destroy everything. In order to avoid hurting the innocent, he chose to cover his eyes.
Wu Zhu was blindfolded because he was an AI robot with a pair of laser eyes. The blindfold was to protect the outside world from the harm of his eyes, because he could not control his own power. Wu Zhu's eyes could shoot out powerful laser beams that could destroy everything. His eyes were covered by the black cloth not because he could not see, but to hide the laser in his eyes. This design made Wu Zhu invincible in battle.
Wu Zhu was blindfolded because he was an AI robot with a pair of laser eyes. The blindfold was to protect the outside world from the harm of his eyes, because he could not control his own power. Wu Zhu's eyes could shoot out powerful laser beams that could destroy everything. In order to avoid hurting the innocent, he chose to cover his eyes.