It started as a fancy dress for a birthday party (Peanut was disappointed to find it had no dress code, so he invented one). Then he reused it for Halloween. And international Cat Day... Now it's simply Peanut's preferred 'travelling outfit'. 

Peanut is so practised at feline impressions he's fooled several of his closest friends in this get up including Jellycat Jack! He's never fooled Amuseables Bean, though, Bean would recognise that trademark tuft anywhere.