American Alien (1998)

Baron Dixon has been teased his whole life. He believes, with all his heart, that he really is an alien and that he will soon be leaving Planet Earth. His two best friends - a couple of doped-up, gun loving, outcast hillbillies-believe in Baron. His beautiful girlfriend wants to believe him, but Baron is just too crazy! Soon, they discover that even the impossible is possible and that aliens really do exist!