Robby Keene's journey in 'Cobra Kai' is one of the most emotionally gripping arcs in the series. Initially introduced as Johnny Lawrence's estranged son, Robby struggles with feelings of abandonment and resentment. His early seasons see him aligning with Daniel LaRusso, finding a sense of purpose in Miyagi-Do karate. But things take a dark turn when he gets involved with Kreese's Cobra Kai, leading to that brutal school fight where he accidentally injures Miguel. The guilt and fallout from that moment shape his entire trajectory—juvie, strained relationships, and a constant battle between anger and redemption.
What really stands out is how Robby's story mirrors the show's central theme: the cycle of violence and the struggle to break free. His reconciliation with Johnny in later seasons feels earned, but it's messy, just like real life. The way he slowly rebuilds trust, especially with Miguel, is some of the show's best writing. I love how 'Cobra Kai' doesn't give him an easy way out; every step forward feels hard-won.