They've just done VIPoo too, although I don't know if that particular chicken came after our egg.
http://adturds.co.uk/2017/03/05/vipoo-advert-proof-living-simulation/
I only check the site once in a while as it doesn't update too often, but it's had some real fucking gems over the years. I know this is hard to imagine, but I reckon the cunt who writes it hates Halifax adverts even more than I do. ISA, ISA, Baby.