Golem-like creature

This is a creature encountered in the Muggle Studies classroom, in the T.V.s magical portal. It is similar to a troll, only not as big, easier to defeat and a skin of almost poorly molded clay like the Golem in Jewish legend. http://www.gamefaqs.com/gbc/565542-harry-potter-and-the-sorcerers-stone/faqs/49373 DO NOT REDIRECT TO TROLL READ THE DESCRIPTION, PLAY THE GAME, DIFFERENT CREATURE.