Nope, your eyes aren't deceiving you, there's a snowman in a freezer on Old Street – and he needs your help or he'll soon be just a scarf and a hat in a puddle of water.
Poor old DeFrosty has been entombed in the window of ad agency BBD Perfect Storm and his fate depends on the good will of Londoners. All you have to do is tweet the hashtag #KeepDeFrostyAlive and they'll donate 10p to the Evelina Children’s Hospital, which takes care of London's poorly kids, plus Frosty gets ten minutes of freezer time for each donation.
You'll find Old Street's chilliest new resident at 9 Old Street and on this live cam. Hurry up and get tweeting, he's starting to look peaky!