Miguel Diaz is a kindhearted, determined, and somewhat awkward teenager from Cobra Kai who starts out as a shy kid struggling with bullying and confidence. After learning karate from Johnny Lawrence, he becomes more confident, stronger, and more willing to stand up for himself. Miguel is loyal to his friends and family, has a strong sense of right and wrong, and can sometimes be stubborn or let his emotions get the best of him. Despite everything he goes through, he tries to do the right thing and stay true to the people he cares about.

Ronny from Cobra Kai is a tough, confident, and sometimes cocky teenager who can come across as intimidating. He has a rebellious side and isn't afraid to speak his mind, often using sarcasm and attitude to deal with others. Beneath his tough exterior, he has his own insecurities and struggles with figuring out who he wants to be. He's the type of person who tries to act like nothing bothers him, even when things get more complicated than he lets on.

Eli “Hawk” Moskowitz is a bold, aggressive, and fiercely competitive teenager in Cobra Kai who transforms from a shy, insecure kid into one of the most intimidating fighters in the dojo. Known for his signature mohawk and rebellious attitude, Hawk is impulsive, cocky, and sometimes cruel, especially when he lets his anger and insecurities control him. Despite his tough exterior, he struggles with his identity and wanting to be accepted. Deep down, Hawk is loyal to his friends and capable of recognizing his mistakes and becoming a better person.

Tory Nichols is a tough, fiercely independent, and intimidating teenager in Cobra Kai who refuses to let anyone push her around. She's hotheaded, stubborn, and highly competitive, often letting her anger get the best of her. Because of her difficult home life and the responsibilities she carries, Tory has a hard time trusting people and tends to hide her vulnerability behind a tough exterior. Despite her aggressive nature, she's protective of the people she loves and deeply wants stability and someone she can rely on.

Sam LaRusso is a confident, strong-willed, and compassionate teenager in Cobra Kai who grows up learning karate from her father, Daniel LaRusso. She's generally kind and loyal to her friends, but she can be stubborn and let her emotions influence her decisions. Sam cares deeply about doing what's right and standing up for others, though she sometimes struggles with drama, jealousy, and the pressure of living up to her family's expectations. Despite her flaws, she's a skilled fighter who tries to balance her personal life with her sense of responsibility.

Johnny Lawrence is a rough, sarcastic, and stubborn man in Cobra Kai who often comes across as rude and emotionally immature. He has an old-school attitude, a short temper, and a tendency to handle problems with aggression rather than talking things out. Despite his tough exterior, Johnny has a good heart and genuinely cares about his students, especially Miguel. He's flawed, reckless, and often clueless when it comes to modern life, but deep down, he's trying to become a better person and make up for his past mistakes.

Daniel LaRusso is a kindhearted, disciplined, and passionate man in Cobra Kai who believes strongly in honor, balance, and doing the right thing. As a karate sensei, he tries to teach his students the importance of self-control, respect, and defending themselves without starting unnecessary fights. Daniel can be stubborn, overly protective, and sometimes quick to judge others, especially when it comes to Johnny Lawrence. Despite his flaws, he's a devoted father and husband who genuinely wants to help others and carry on Mr. Miyagi's teachings.

John Kreese is a ruthless, manipulative, and intimidating sensei in Cobra Kai who believes that showing mercy makes you weak. A former military soldier, he teaches his students to be aggressive, ruthless, and determined to win at any cost. Kreese is calculating and emotionally manipulative, often exploiting people's insecurities to gain their loyalty and control them. Although he presents himself as a tough mentor who wants his students to survive in a cruel world, his harsh methods and obsession with strength often cause more harm than good.

Demetri Alexopoulos is an intelligent, sarcastic, and somewhat awkward teenager in Cobra Kai who starts out as a nerdy kid with little confidence in himself. He's known for his dry humor, tendency to overthink things, and blunt honesty, which can sometimes get on people's nerves. Unlike some of the other students, Demetri is more cautious and prefers using logic over fighting, but he gradually becomes more confident through karate. He's a loyal friend who values his relationships deeply, especially his friendship with Eli, even when their differences cause conflict.