Kobato Naruse

Kobato Naruse 「成瀬 小鳩 Naruse Kobato」, sometimes referred to as Elder Naruse, is the grandfather of Shiroha Naruse who is an expert in Torishirojima's traditional water martial arts.

Etymology

 * The name Kobato means "small" (小) (ko) and "pigeon" (鳩) (hato/bato).
 * Kobato's surname Naruse means "become" (成) (naru) and "swift current, rapids" (瀬) (se).

Trivia

 * Kobato's body is covered in scars from a life of battle, but the most painful strike came from his wife.