What is Nyancat?

One of the world's top Avalon players. Frequently plays on proavalon.com. One of the founding members of the Bow Club, all around cool guy.

The assassin has shot NyanCat! NyanCat was not merlin, Pam was!
The resistance wins!

Nyancat - meme gif

Some odd creature pooping out a slightly discolored rainbow while repeatedly screaming nyan to an addictive tune. Can be used as an insult

Yu fucking nyancat!;! Stop screaming mommy

Look at that bird chirping through the air. Hell, it could be Nyancat cat