Her name of her alter ego - i.e. her real name - is Piggy, and her owner says she "must have super grippy paws!" This is something we agree with: she really must have some super grippy paws. That, or a wall to lean on - or both.
And for more videos of cats performing remarkable feats - okay, playing with things - here's a video gallery of some cats playing with things. In a really rather adorable fashion, in fact.