SAIPAN, Northern Mariana Islands - A Saipanese snorkeling guide, who goes by the Korean nickname “Ddung-ddung-yi” (an affectionate term meaning “Chubby” in English) to befriend Korean visitors, spoke in Korean during an expedition program at Saipan's natural cave attraction Grotto, Jan. 12.“Are you scared? No worries. Hold on to Ddung-ddung-yi,” he told a group of Korean tourists. “Hold your breath. One, two, three!”