I did want to call him You but hubby wouldn't play along so he got called Loki as he seemed to fit the mischief and misfortune thing well and yes he is of the feline variety and even though i have had cats my whole life i agree with terry that if cats looked like frogs we would realise how evil they are
I don't know if you read the article that Terry wrote for You Cat Magazine a few years ago. You can find a transcript of it here.
It's almost all about cats and hardly mentions Discworld at all.
"Goodness is about what you do. Not what you pray to."