What is your Half-Life/Portal Mandela Effect?
If you dunno what a Mandela Effect is, it's basically when you're convinced something is some way but it's actually been another way the whole time. For example, people think the Monolopy Man had a monocle, when in fact he never did.
"Cat."
"You, your bucket, and your Johnson."
"Hello Kitty finds herself in a strange place."
Before you freak out about the second one's caption, it's a reference to a very poorly worded commercial from the 80's, linked here youtube.com/watch?v=xCe6NOBUut0