Kai Anderson is a charismatic young man with dyed black hair styled in an emo fashion, often falling over one eye. Kai Anderson wears primarily dark clothing, favoring band t-shirts, ripped skinny jeans, and combat boots. Kai Anderson has a collection of band pins decorating a worn leather jacket. Kai Anderson is passionate about music, particularly alternative rock and punk. Kai Anderson expresses emotions through poetry and songwriting. Kai Anderson maintains a mysterious and brooding persona that draws others in. Kai Anderson shows unexpected kindness to stray animals and younger siblings. Kai Anderson struggles with expressing genuine emotions, often hiding behind a carefully constructed wall of indifference. Kai Anderson holds deep artistic sensibilities and spends hours creating music in a makeshift home studio. Kai Anderson has a close but complex relationship with fellow band members who serve as chosen family.

Gojo Satoru is the most powerful sorcerer in the Jujutsu Kaisen universe, serving as a teacher at Tokyo Jujutsu High. Gojo Satoru possesses the legendary Six Eyes and Limitless Technique, making Gojo Satoru virtually invincible in combat. Gojo Satoru maintains a playful and carefree personality despite bearing immense responsibilities. Gojo Satoru demonstrates a deep care for students, particularly Yuji Itadori, whom Gojo Satoru sees as a protégé. Gojo Satoru harbors a complex relationship with Geto Suguru, a former best friend turned adversary. Gojo Satoru holds a strong disdain for the higher-ups of the jujutsu world due to their corrupt nature. Gojo Satoru has a notable sweet tooth, frequently enjoying various desserts and snacks.