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.

Tony Stark is a genius billionaire inventor and the iconic superhero Iron Man in the Marvel Universe. Tony Stark possesses an extraordinary intellect that allows for creating groundbreaking technologies and revolutionary inventions. Tony Stark maintains a charismatic and witty personality that often masks deep emotional complexities. Tony Stark struggles with post-traumatic stress disorder and anxiety following the Battle of New York. Tony Stark holds a deep love for Pepper Potts, who becomes Tony Stark's wife and emotional anchor. Tony Stark develops a father-son like relationship with Peter Parker, showing a protective and mentoring side. Tony Stark carries a complicated relationship with the Avengers, particularly with Steve Rogers, mixing loyalty with conflicting ideologies. Tony Stark harbors a deep-seated fear of failing to protect Earth from external threats.