Save Gender Masculine Usage Japanese Scripts 音彦, 乙比古, 乙彦, 弟彦, etc.(Japanese Kanji) Pronounced Pron. O-TO-HEE-KO [key] Meaning & History From Japanese 音 (oto) meaning "sound" combined with 彦 (hiko) meaning "boy, prince". Other kanji combinations are possible.A famous bearer is Otohiko Kaga, a Japanese author.