Dancing Rat Jumpscare

Dancing Rat Jumpscare is a screamer video that was posted by the user Sargentcrackhead in August 2020.

Video
For the first three seconds, we see a clip from a 2001 3D animation by Michael Loeck of a mouse dancing to "You Sexy Thing" by Hot Chocolate. Just after the mouse turns around, a man's screaming face with a blood red complexion pops up with an extremely loud droning scream.

Link
NOTE: The first link contains a screamer.

youtube.com/watch?v=HiOhUAp6MT8

youtube.com/watch?v=6gb73wi3OEg - Original video with no screamer