1. Grumpy Cat left Maru in the dust in late 2012.
Even adorable box behavior is no match for Grumpy.
2. He surged past Simba too.
3. Keyboard cat is so 2009.
5. Felix has been on a downswing for a long time.
He never really got the Internet anyway.
6. Nyan Cat had a good run, but now it's Grumpy's turn.
7. Garfield put up a valiant fight, but Grumpy eventually won.
And yes, Grumpy Cat is now more popular than smiling.
How does Grumpy Cat feel about all this fame?
