YOUTUBE footage of what viewers have already dubbed the 'coolest cat in the world' shows mega moggy Jimmy giving his owner the thumbs-up. Go Jimmy In a clip entitled 'Amazing Cat Gives Thumbs Up', Jimmy's female owner can be heard asking him to do his thang while she films him. After gazing indifferently at the camera for a few seconds, our new favourite feline gives in and rolls out the trick. The video then cuts to later, when Jimmy's informed it's time to go as he relaxes on the sofa and puts his thumb down. 'God I love cats' is the effusive reaction from one enamoured YouTube viewer. Metro