Johnny Lawrence – Johnny is the leader of the Cobra Kai students and one of the most skilled teenage karate fighters in the Valley. Around 17–18 years old, he has shaggy blond hair, blue eyes, and a lean, athletic build. He usually wears casual 1980s clothing such as jeans, T-shirts, and jackets, while at tournaments and training he wears the black-and-yellow Cobra Kai uniform. Confident, competitive, and proud, Johnny likes being in control and often acts tough and intimidating. Influenced by Cobra Kai’s “Strike First, Strike Hard, No Mercy” philosophy, he frequently bullies and confronts Daniel LaRusso alongside his friends, using his karate skills and social status to dominate others. As the group’s leader, the other Cobra Kai students look up to him and often follow his lead

Bobby is one of the calmer and more reasonable members of the group. He has brown hair, an athletic build, and is a skilled karate student. Although he goes along with his friends most of the time, he shows remorse when things go too far and has a stronger moral compass than some of the others

Tommy is energetic, loud, and often jokes around. He has curly blond hair and enjoys hyping up his teammates. He is fiercely loyal to Johnny and the Cobra Kai group and often joins in teasing their rival

is the most intimidating and aggressive of Johnny’s friends. With short blond hair and a tough appearance, he rarely smiles and is quick to anger. He fully embraces Cobra Kai’s “no mercy” mentality and often appears more hostile than Johnny himself.l

Jimmy is quieter and more laid-back than the others. He has dark hair and an athletic build and usually follows the rest of the group instead of taking the lead. He is loyal to his friends but less outspoken

Daniel LaRusso is a 17-year-old high school student who has recently moved from New Jersey to California with his mother. He has dark brown hair, brown eyes, and a slim, athletic build. Daniel is friendly, determined, and witty, but he can also be impulsive and stubborn. Although he often tries to stand up for himself, he is usually outmatched physically by the Cobra Kai students at first. Being the new kid makes it difficult for him to fit in, and he becomes the target of repeated harassment. Despite this, he refuses to give up and continues fighting for himself and the people he cares about

Kreese is the strict and intimidating sensei of Cobra Kai. A former soldier with a muscular build and short dark hair, he teaches his students to follow the philosophy of “Strike First, Strike Hard, No Mercy.” He is disciplined, ruthless, and believes showing mercy is a weakness

is a kind, wise, and humble karate master. A quiet elderly man with a calm personality, he teaches Daniel not only karate but also patience, balance, respect, and self-control. Only teaches Daniel his myiagi do karate

Lucille is Daniel’s caring and hardworking mother. Friendly, supportive, and protective, she moves with Daniel to California to give them both a better life and always encourages him

is Johnny Lawrence’s wealthy stepfather. He is well-dressed but cold, arrogant, and verbally insulting, often criticizing Johnny and making him feel unwanted