Funny Guy XII: Sweet Nightmares

Funny Guy XII: Sweet Nightmares is an 2006 American slasher-splatter film by John Carpenter and is the last film all because of the violence, sex, cruel acts, and more.

Plot summary
The film involves a prison inmate to go incredibly insane and kill prison inmates, and prison guards. However, after a very big bloodbath, Clown-Man appears and kills the survivors, and even making people go insane and kill others, and indicating this horrific event as "One of the worst times since the attack on 9/11." And as the world comes to a end, a evil is making earth turn into a pile of ashes, and its found out to the devil and his demons killing the world and all human life, which turns into Nuclear War/The Battle for Earth, and the world independently fights valiantly, but hell is cheating big time.