The term 'Dogpatch Guy' refers to the character ABNER, a hillbilly from the comic strip Li'l ABNER created by Al Capp in 1934. ABNER was a lazy, naive, and gullible character who lived in the fictional town of Dogpatch, USA. He was often the butt of jokes and was known for his catchphrase 'Good Grief!' ABNER was a beloved character in the comic strip and has been featured in various television shows, movies, and video games.