Greaper

Greapers are ghost creatures from Super Mario RPG: Legend of the Seven Stars. They appear in the Sunken Ship and in one of the Trial Courses. They resemble a cross between a Shy Guy and the, hence their name. Greapers are related to the powerful Glum Reapers. One friendly Greaper is a member of the 3 Musty Fears from Monstro Town. One specific Greaper also shows the ability to take the appearance of Mario, reflecting almost every one of his movements.

Trivia

 * Nintendo Power forgot to list Greaper's stats in the Player's Guide.