All I remember is that's there is a boy who becomes friends with a corpse type zombie thing that always has a shot gun in a rocking chair in front of this old house or something he also has a worm as his pet I think the worm barks. And the boy needs to save the world or something like that

House II: The Second Story (1987)
http://www.badmovies.org/movies/houseii/houseii5.jpg

Thank you soooo much, I have been searching for the title of this movie for years, and nobody ever knows what the heck I am talking about, they all think I'm crazy, lol...