Based on the provided sources for the anime "Lomien Man" (also known as "Tatakae!! Ramenman"), no direct references to a character named "Gyokuō" exist. The documented media details central figures such as Ramenman, his father Somenman, his master Chen Zongming, and his sidekick Shumai. The series summaries, character lists, and production details across all cited materials contain no mention of Gyokuō.