by Alison H. Mayer
Grumpy Cat's been busy! Amazingly, despite a new movie deal and the constant pressure to supply the internet with grumpy (yet adorable!) commentary on everything from the weather to children's nursery rhymes, Grumpy Cat has ALSO found the time to single-handedly perform the role of every single member of DC's Justice League:
Come to think of it, some of these portrayals aren't too off base -- looking at you, Batman.
Want to create a Grumpy Cat version of your favorite superhero? Tweet a pic to us @MTVGeek #SuperGrumps!