A character from The Demented Cartoon Movie who is a huge weight with the words "Mr. Weight" on him. He repeatedly falls on people, especially Bloing Gloing. Note that The Demented Cartoon Movie also features Mr. Blaster Ray Gun and Mr. Large Generic Blunt Object.
(Exerpt from the Demented Cartoon Movie)
There is a big red button on the wall or whatever with "!!!!!!!!!!" written above it.
(Someone walks up to it)
(Presses the button)
(Mr. Weight falls on him)