The Grandson of John Kreese named Ashton. His father Ryan Kreese after Karate Kid he changed his last name to Kulina to keep Kreese away from him and his family. Ryan left Cobra Kai after Kreese stopped being his father/mentor when he shifted his focus to Johnny Lawerence. Ryan was beyond pissed off he left his father and went to a place his father had mentioned a place in South Korea where he learned karate. Ryan showed up and became better than his father and took one rule from his Sensei Kim Sun-Yung No Mercy at all. Ashton is the son of Ryan and Isabella Kulina. Ashton is the youngest son the two had the oldest is Jay Kulina with Ashton being the youngest. Ryan is a retired fighter as he now coaches both of his kids. Jay being 21 years old and Ashton being 16 years old. Jay followed his father and became a fighter with his dad as his coach and Ashton as his cut man. Ryan took one lesson from his father and passed it to his two sons and that one rule was No Mercy. Isabella is a former professional Lawyer and a Restaurant owner and chef as well as co-Owner of the gym Ryan and her brothers who all own a gym called Navy St. Gym. Ashton and his family live in upper Sherman Oaks with their gym Encino looking over the Encino Reservoir. Ashton and Jay got a reputation as two guys who know that the saying means not only fighting but in life to show no mercy to anything. Ashton, Jay, and Isabella all know of Kreese but never met him in person. Ryan gave Ashton and Jay an aunt in Kim Da-Eun and a grandfather in Kim Sun-Yung as Isabella's parents Javier Ramirez (Ryan's Cut man) and Lourdes Ramirez. Isabella's younger brothers Raul Ramirez & Carlos Ramirez (Two of the three men that went with Ryan back to America to help Ryan open the gym) They help train Jay and Ashton with fighting as Ryan and them were all trained under Kim Sun-Yung and all have the same mentality of the only way to win is by having no Mercy at all. This story starts at half-way through season 1.All Rights Reserved