Ling Ling is the youngest daughter of Dr. Hsu and the writer Feifer. A young nurse who owns the Megamaton, Goriki. She and Goriki become assistants of Narutaki after being tricked into helping Night Phantom. Much of her past is a mystery. She helps Narutaki in his investigations and looks after his health. Ling Ling is sensitive and caring to others but she can rise to the occasion. Her overly sentimental nature does put her in danger when she throws herself into things. She volunteers at the local hospitals since they are often understaffed.