According to this article Mischief could be the world's oldest cat. At a grand age of 27 human years that makes him around 125 in cats years. There are records of a 29 year old cat which has since died but there is currently no record holder in the UK for the oldest cat. Mr Thorne, Mischief's owner got him as a kitten in 1981. 27 years later he is now an indoor cat and despite losing clumps of his fur is still going strong. The oldest cat ever was Creme Puff, who was born on August 3, 1967 and lived until August 6, 2005 an amazing 38 years and three days.