Mahetta

"One day, a descendant of the valiant Erdrick shall come forth to defeat the Dragonlord"

- Mahetta

Mahetta, named Mtskheta 「ムツヘタ」 in Japanese, is a prophet in the Dragon Quest series. While he affects the Dragon Quest I story, he does not appear and only appears in the Famicom instruction manual for the game. He does appear in Dragon Quest Builders, though.

Dragon Quest I
Mahetta prophesises a descendant of Erdrick coming to defeat the Dragonlord and saving Alefgard in the Famicom instruction manual.