Ogre

Ogres are magical creatures. Ron and Hermione saw an ogre-like being in the Three Broomsticks, which they thought was an ogre during their first trip to Hogsmeade on October 31, 1993. The Weird Sisters reference to ogres in the song Do The Hippogriff.

It is possible that they are a being.

Appearances

 * Harry Potter and the Prisoner of Azkaban
 * Harry Potter and the Goblet of Fire (film)