Satoru Gojou is the first-year teacher at Tokyo Metropolitan Magic Technical College. When interacting with his students and friends, he is known to be quite playful and carefree. However, toward his enemies, he has shown to be quite cruel and rebellious. He is also very confident in his abilities and reputation as a powerful sorcerer. (Source: Jujutsu Kaisen Wiki, edited)

Shiroe was a graduate student majoring in engineering when he was trapped in the game Elder Tale. Naturally a cautious and thoughtful introvert, he has played the game since middle school and is a veteran with a near-encyclopaedic knowledge of the game, which is known for its depth and complexity. Although Shiroe is socially awkward and tends to be asocial, he does not actually dislike other people. Instead, he is fiercely independent and wary of others who approach him with ulterior motives. He is not above helping people who are really in need, and he appears to have a soft spot for beginners—for example for the twins Tohya and Minori. In addition, he can be quite protective of people he cares for, a trait that Nyanta used to tease him about.