Here is one of my favorite Mandela Effects, Tom Cruise in Risky Business never wore sunglasses in his underwear dance in Risky Business, but why does everyone remember him wearing them?
The original scene
Literally every person who imitates this scene is wearing sunglasses
source: www.flickr.com/photos/gophertopher/2567487605
source: /media.giphy.com/media/TCWeq4ZWfi4Du/giphy.gif
The sunglasses are an integral part of it, they are Tom Cruise in Risky Business because they have the sunglasses
Source: c2.staticflickr.com/6/5020/5491556587_85a8b044a8_b.jpg
Even Homer Simpson had the sunglasses
Source: media.tenor.com/images/4f4c2de3c3a7f123aa6260bb0188fef0/tenor.gif