Jim Lahey, better known as Mr. Lahey, is the trailer park surpervisor.
In the ShowEdit
In the 2nd season, it's revealed that Jim Lahey is indeed a drunk. Jim in Season 1, is much cleaner and not drunk. In Season 2, due to his alcoholism, Sunnyvale fell into depression, and flipped cars and garbage littered the streets.
He was married to Barbra Lahey, the owner of the park.