16/04/2014 06:04 BST | Updated 17/04/2014 06:59 BST

Calvin The Dog Goes Crazy Every Time Post Is Delivered (VIDEO)

Don't like junk mail? Neither does Calvin the dog.

Yes, this isn't so much a classic battle between canine and postman as it is between canine and the mail that postman delivers... As you'll see when you click play above.

(Via Most Watched Today)