Do you "know stuff" about this Mort?

You were all right on the money last time. Squirrel Girl is a member of what was once known as the Great Lakes Avengers, and then GLX (they found out they were all mutants), and finally the Great Lakes Champions. She has heightened reflexes, a prehensile tail, and can communicate with squirrels. To answer Randy's question, it does not appear that the last power is like Wonder Woman's, but rather that she has learned the language of the squirrel. She has the mutant power to talk to squirrels in much the same way I have the mutant power to communicate with Germans.

Okay, yet another mutant this time around, in a faint hope that Joanna or even Eric will happily play along.