Luke Gatchalian is the author of Sammy Tsunami and the Shadow Arrow. He lives in Las Vegas, Nevada with his parents. He is a martial arts enthusiast, who plays both the guitar and ...ver maisLuke Gatchalian is the author of Sammy Tsunami and the Shadow Arrow. He lives in Las Vegas, Nevada with his parents. He is a martial arts enthusiast, who plays both the guitar and the violin.ver menos