Flap Cat has gone viral! Published by Catacnow in 2012, the videos features a camera-person awoken in the middle of the night by a strange sound.

Upon investigation, it becomes clear what the source of the noise is. It’s Flap Cat swatting at the flap of a folder which made a very distinct sound. Just today, Flap Cat has amassed over 60,000 hits, and continues to trend.