What Cobra Kai Reveals About Becoming a Teacher

I recently watched the first season of Cobra Kai. Many people watch it because they grew up with The Karate Kid. They remember the tournament, the rivalry, the crane kick. I watched it with a different lens. Years of teaching make you see certain things immediately. The fights were not what held my attention. I watched two former students trying to become teachers while carrying the voices of their instructors inside their heads.

The story follows Johnny Lawrence and Daniel LaRusso decades after their teenage rivalry. Each man begins teaching a new generation. Johnny reopens Cobra Kai. Daniel eventually begins teaching Miyagi-Do karate. Both believe they understand what their teachers gave them. Johnny carries the philosophy of John Kreese. Daniel carries the teachings of Mr. Miyagi. Their teaching begins with memory. Each one reaches into the past and tries to bring that system forward exactly as he remembers it.

Watching this reminded me of my first years teaching Krav Maga. I carried my instructors with me everywhere. When I demonstrated a technique, I heard their voices in my head. I remembered how they corrected students. I remembered the tone they used when they wanted to push someone further. I believed that loyalty meant representing them properly. Teaching felt like protecting their legacy.

At the same time I carried another influence. Earlier in my life I had trained under an instructor whose approach never felt right to me. I promised myself that when I eventually taught my own students I would stay far away from that style. My thinking was simple. I believed one approach represented everything good in martial arts and another approach represented everything wrong. My early years as an instructor were guided by that belief.

Time exposed the limits of that thinking. Every instructor is shaped by experience. The strict coach, the patient mentor, the teacher who pushes students hard, the teacher who speaks softly. Their methods grow from the environments they lived in and the problems they tried to solve for their students. Teaching is not abstract. It grows from life.

The first season of Cobra Kai shows the beginning of that realization for both characters.

Johnny Lawrence opens Cobra Kai and teaches exactly the way he remembers being taught. The philosophy is direct. Strength protects you. Hesitation invites attack. Students must learn to confront fear with action. His first students are teenagers who arrive with little confidence. They are bullied at school and uncertain about themselves. Johnny pushes them hard. He raises his voice. He demands effort.

Their transformation happens quickly. The students who once avoided confrontation begin standing upright. They start defending themselves. They carry themselves differently in the world. Johnny’s approach answers a psychological need that many people carry. People who have been bullied often lack the belief that they are allowed to fight back. When someone finally gives them that permission, their confidence grows fast.

At the same time, Johnny discovers that teaching carries responsibility. Confidence without guidance can turn into aggression. Some of his students begin enjoying the feeling of dominance. Johnny inherited strength from Kreese. He had not yet developed the awareness required to guide that strength carefully.

Daniel LaRusso carries a different inheritance. His life was shaped by the influence of Mr. Miyagi. The lessons of patience, balance, and discipline formed the foundation of his worldview. When Daniel begins teaching, he reaches for the same methods Miyagi used with him. The training exercises look familiar to anyone who watched the original films. Simple tasks become drills that teach movement and awareness.

The deeper layer of Miyagi’s teaching grows slowly in Daniel. Miyagi possessed a calm awareness that allowed him to understand students before correcting them. Daniel understands the exercises. His judgment as a teacher is still forming.

Both men begin teaching by repeating what they remember.

Over time, they begin learning something every instructor eventually learns. The voice of your teacher guides your early years. At some point, your own voice must appear.

I experienced that transition clearly when I began training instructors inside my own school. One of my students approached me with a concern that many future instructors carry quietly. He told me he could never become a good instructor because he could never be like Gabi Noah or like me.

Gabi Noah influenced my development deeply. His knowledge and his presence shaped the way I understood Krav Maga. My student believed greatness in teaching required becoming a copy of the people he respected.

I told him something that surprised him. I said he could never become me, and he could never become Gabi. His path would lead him somewhere else. With time, he would become the best version of himself. His personality, his experiences, and his understanding would shape the way he taught others.

Years passed, and that is exactly what happened. He developed his own rhythm as an instructor. His explanations sounded different from mine. His relationship with students reflected his own character. He became an excellent mentor.

This is the natural development of teaching.

Students begin by absorbing the lessons of their instructors. Those lessons shape their identity for many years. Psychologists describe this as identity formation. During the early stages, a person often adopts the identity offered by a strong mentor. That identity feels stable and safe. It provides direction.

Johnny Lawrence carries the identity formed during his Cobra Kai years. That period represents the moment in his life when he felt capable and respected. Reopening the dojo reconnects him to that identity. Daniel LaRusso carries the identity of Miyagi’s student. That role shaped how he saw himself for decades.

Both men begin their teaching careers inside identities created long ago.

Growth requires expansion beyond that starting point. A teacher develops authority when personal understanding grows deeper than memory alone.

Martial traditions face the same challenge. Students inherit systems created by earlier generations. Some people believe loyalty requires preserving those systems exactly as they were. Real traditions remain alive through growth. The values stay strong while the expression of those values develops with experience.

Miyagi shaped his teaching through the life he lived. Kreese shaped Cobra Kai through the experiences that formed him. Their students inherit those foundations. The next step requires interpretation and maturity.

The first season of Cobra Kai illustrates that process in its early stages. Johnny begins seeing that strength requires responsibility. Daniel continues growing into the wisdom he admired in Miyagi.

Every instructor eventually arrives at the same realization.

Your teacher helped shape who you became. Your students learn from the person you grow into next.

Do something amazing,

Tsahi Shemesh
Founder & CEO
Krav Maga Experts

Relevant Articles:

• The Influence of a Good Teacher Can Never Be Erased — A powerful teacher shapes your life. Understanding their lessons takes much longer.

• Backseat Driving in Martial Arts Training: Why It Stops Your Growth — Growth begins when students stop copying and start thinking for themselves.

• Fighter vs Warrior: Why the Difference Matters More Than You Think — Skill builds fighters. Wisdom builds protectors.

• Why Good People Are Often the Least Prepared — Confidence changes how people move through the world.

• Why Do People Resist Change — Growth begins when identity stops clinging to the past.