Nyan Cat, also known as Pop Tart Cat, is an 8-bit animation depicting a cat with the body of a cherry pop tart flying through outer space. While such absurd themes like flying kittens and pastry cats have been around for some time, the surreal humor behind this particular combination has captivated YouTubers and online art communities, spawning dozens of fan illustrations as well as receiving some mainstream coverage in April 2011. (Also see: Cat Bread and Speedy Cat)
The Pop Tart Cat animation was posted on the daily comics site LOL-COMICS run by illustrator prguitarman on April 2nd, 2011. Prior to the Pop Tart Cat, prguitarman had already gained a relatively large audience with a few other instances of comics circulating on the web. The GIF animation was also reblogged via Tumblr on April 2nd, 2011, accumulating over 3,000 notes (likes & reblogs)composed for Hatsune Miku to sing, The version used in the video was of the cover sung by the Utauloid Momo Momone. The video gained over one million views in its first two weeks.
The music that was included with Nyan Cat was a song made by Hastune Miku, a Vocaloid program . The music complies with repetitive amounts of "Nyan" (And some counts of "Nya").
The word Nyan is said over and over through out the video. Nyan, in Japanese, means meow.