The Nyan Cat Wobbler is a prop made in 2015, based of the famous internet meme, which was made in 2011.
He's a grey cat with a poptart for a body, and has a rainbow at the end. When activated, he wobbles around and the rainbow flashes 6 colors while "Nyan Cat" plays.
-It's the only wobbler that lights up.
-He was sold at Target for $19.99