SANTA CLARITA – A 20-year-old hospital technician who spent his free time teaching karate to youngsters at the Community Center will be sorely missed after he died this week in a motorcycle crash. Joshua David Moreno was a cheerful worker, capable and always quick with a quip, his boss said. “The kids just absolutely worshipped him,” said Hope Horner, the city’s administrator of Community Services. “He had so much charisma and enthusiasm and was a natural leader and karate All-Star who used his talent to give back to the kids at the Community Center.” Moreno died Monday afternoon when his bike hit a tree on McBean Parkway at Fairview Drive. He was wearing a helmet, and the incident is under investigation, sheriffs said. [email protected] (661) 257-5255160Want local news?Sign up for the Localist and stay informed Something went wrong. Please try again.subscribeCongratulations! You’re all set! Jennifer Garcia, a 14-year-old blue belt in karate, last saw Moreno on Friday. With friends, she visited the memorial at the spot where he died, reciting prayers, laying fresh flowers and anchoring a balloon decorated with teddy bears. “Whenever we’d have a competition he’d always be there for us cheering us on,” Jennifer said, talking through tears. When she lost, he’d gently say, “you tried your best … next time”; when she won, “he’d be very proud of you.” Moreno, of Saugus, began working as a night monitor technician, reading heart rhythms of critical-care patients at Henry Mayo Newhall Memorial Hospital after graduating from Bowman High. “He had a great personality, respectful … he joked with me all the time,” said his boss, Lucresse Tchoutchui. For a time, Moreno went out with Zaira Medina, 16, the captain of Hart High’s hip-hop dance team. Her mother has printed T-shirts with the message “In Loving Memory of Josh,” which she’s selling for $20 apiece to raise money for the Moreno family’s funeral expenses. To contribute, call (661) 600-7599 or 259-9581.