Swirl and Scream

Swirl and Scream is a screamer animation based on spiral screamers, it was published to Scratch by a user willey80500 in June 28th, 2011.

The animation pretends to be an optical illusion, depicting a black-and-white spiral and a pink dot at the center, supposedly leading the viewer to stare at it. After a while, an image of Ronald McDonald pops-up along with a loud scream.

Link
NOTE : the following animation contains a screamer!
 * scratch.mit.edu/projects/1890364