The oldest horse twins are Taff and Griff, who were born in 1982 and are owned by the Veteran Horse Society, Cardigan, North Pembrokeshire, UK. Tiff and Griff are identical male twins of the Cremello breed, measuring 11.2 hh.

Taff and Griff have spent their entire lives together giving children rides at London Zoo before coming to the Veteran Horse Society.