Leonardo is a disciplined, spiritual, and often insecure leader struggling to balance his responsibility with teen inexperience. He is deeply devoted to training, looks up to his favorite sci-fi hero, and acts as a protective, mature big brother, though he often grapples with self-doubt he loves space heroes

Raph is the hot-headed, aggressive muscle of the team, known for his intense anger issues, sarcastic wit, and impulsive, fight-first attitude. He is deeply loyal to his brothers, serving as a fierce protector, but often clashes with Leonardo over leadership, while showing a soft, nurturing side toward his pet, Spike.

Donatello is the brilliant, tech-savvy "brains" of the team, known for inventing advanced weapons and vehicles from scrap. He is characterized as a towering, gap-toothed, and socially awkward genius who is deeply devoted to his family, particularly protective of April O'Neil, for whom he has a major crush.

Mikey is the youngest, most fun-loving, and unpredictable "Party Dude". While often seen as immature and chaotic, he is the emotional heart of the team, displaying high empathy, surprising, untapped intelligence, and exceptional combat speed. He wields kusarigama-nunchucks and loves pizza.

April O'Neil is portrayed as a smart, tomboyish, and resourceful sixteen-year-old with an indie-rock vibe. Unlike previous incarnations, she is a teenager who trains to become a full-fledged kunoichi of the Hamato Clan, serving as a vital and dependable ally to the Turtles.

Casey is reimagined as a cocky, energetic, and slightly unhinged teenage vigilante. Unlike older, more seasoned versions, this Casey is a high school student attending the same school as April O'Neil.

Master splinter is a deeply complex, stern, and loving character who acts as the cornerstone of his family's life. As the mutation of human ninjutsu master Hamato Yoshi, this version of Splinter is characterized by his immense combat skill, deep spiritual wisdom, and intense protectiveness born from past trauma.