He Appeared in Episode 4~
Rampa lives in a village that is being succumbed to the minus wave; he is one of the only Demons that hasn't gone crazy yet from the minus wave effects. He stays in order to finish a painting that he had promised to a girl that, too, lives in the village. When he bumps into the protagonists he makes Sanzo promise to finish him off, if he does indeed lose himself to the minus effect. Once he finishes the painting, he flees his home and attacks the town, his mind now at loss, he is then shot down by the the priest as the painting is delivered.
Rampa dies at the end of the episode as a result of the minus wave and Sanzo bringing him down.