Gloomba

The Gloomba is a dark grey species of Goomba that appears only in the Paper Mario series. It has black eyebrows, a dark grey body, fangs, and Red feet. They live underground in the Toad Town tunnels in Paper Mario, Pit of one-hundred trails in Paper Mario: The Thousand Year Door, and the Bitlands in Super Paper Mario.

REFRENCES: http://www.mariowiki.com/Gloomba