Psaro the Manslayer

Psaro the Manslayer is the central villain of IV and a recurring monster in the series. He is a powerful demon, once a man, with a passionate hatred for humanity

Psaro appears along with the other characters from Dragon Quest IV if the player chooses to have Reaper's Peak inhabited by characters from Dragon Quest IV. In this version of Reaper's Peak, he and Rose are living in the Hero's house