Psycho Billy comes to mind for me.
An incoherent naked man who was wielding a shotgun was shot by a Montgomery County sheriff's deputy early Thursday morning, officials said..
Investigators said an elderly resident opened his door around 4:30 a.m. after a 45-year-old man began banging loudly on his door Thursday morning, Lt. Dan Norris, a sheriff's spokesman, said. The suspect pushed his way into the man's Conroe home and began "ranting incoherently about snakes after him," officials said.
The man began removing his clothes inside the home, prompting the homeowner to call 911 for help