Film / Jack Brooks: Monster Slayer

http://static.tvtropes.org/pmwiki/pub/images/43d73cc20b246e6dbdd04640d2488766.jpg
... I used to be a plumber.

Jack Brooks: Monster Slayer is a Canadian Comedy Horror film starring (and produced by) Trevor Matthews and featuring Robert Englund. Matthews plays Jack Brooks, a plumber prone to sudden bouts of extreme rage. Englund is his professor, Crowley, who unearths a terrible evil. Jack Brooks must face his tragic past and find a way to channel the darkness inside of him.

This film exhibits the following tropes:

http://tvtropes.org/pmwiki/pmwiki.php/Film/JackBrooksMonsterSlayer