Daiba Datta

Daiba Datta ダイバ・ダッタ (Daibba Datta) is a yogi saint created by that first appeared in episode 1 of the 1972 tokusatsu  series, Warrior of Love Rainbowman titled The Miraculous Holy Man.

Warrior of Love Rainbowman
After venturing to India in order to learn discipline, Takeshi Yamato meets up with yogi saint Daiba Datta. Daiba Datta takes the man in as his student and eventually grants Takeshi with the ability to transform into Rainbowman. Daiba Datta teaches him how to properly use every aspect of Rainbowman's powers and sends him back to Japan one his training is complete.