Ma Horoba appears in the main *Yamato Takeru* television series as an old sage. He serves as a mentor, providing guidance to the protagonist Yamato Takeru. Ma Horoba imparts the crucial directive that to defeat the antagonist Tsukuyomi, Takeru must gather seven celestial essences. This quest forms a central objective for Takeru throughout the series. The character is depicted with eccentric traits, contributing to his role as a mentor figure.