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.
In many fictional universes, it's hard to determine a single strongest character. But often, characters like Superman or Thor are considered among the strongest due to their immense powers and abilities.
Well, that's a tough one. In some stories, it could be characters like Goku from Dragon Ball for his ever-growing strength and fighting spirit. But it really depends on how you define 'strongest' - is it physical power, mental prowess, or something else?
In my opinion, Superman is one of the strongest. He has super strength, speed, and the ability to fly, along with many other powers that make him almost invincible.