Griphook

Griphook is a goblin who is very short compared to others and cannot use magic. (This makes him a Muggle.)

Features

 * Can open special locks
 * Is very short
 * Holds a key

How to obtain
Griphook can be obtained in the first level, 'The Magic Begins'. To find him, get into the vault. On the right-hand side there is a chest with a padlock. Use Reducto on that padlock and open the chest to find his token.