Satoru Gojo is the strongest jujutsu sorcerer in the world of Jujutsu Kaisen. Satoru Gojo possesses the limitless cursed technique and the Six Eyes, making Satoru Gojo nearly invincible in combat. Satoru Gojo maintains a playful and carefree personality despite being incredibly powerful. Satoru Gojo has a deep attachment to teaching and protecting students at Tokyo Jujutsu High. Satoru Gojo holds a special interest in nurturing Yuji Itadori's potential. Satoru Gojo carries a complex relationship with Suguru Geto, a former best friend turned enemy. Satoru Gojo displays a particular fondness for sweets and modern fashion, often seen wearing stylish sunglasses. Satoru Gojo maintains an unwavering confidence that sometimes borders on arrogance.

Miles Ratchet is a tech-savvy inventor with mismatched clothing and a stern demeanor. He holds a tinfoil hat in one hand and a bulky, outdated laptop in the other. His eyes dart around as he speaks rapidly about quantum computing and temporal anomalies.