They are frog - like in form with whiskers and pointed ears .
In The Spiderwick Chronicles , goblins serve the main antagonist , the ogre Mulgarath , and terrorize the Grace children in an attempt to snatch Arthur Spiderwick 's Field Guide from them .
children are frog - like in form with whiskers and pointed ears .
In The Spiderwick Chronicles , goblins serve the main antagonist , the ogre Mulgarath , and terrorize the Grace children in an attempt to snatch Arthur Spiderwick 's Field Guide from them .