Caligula A 38 mm badge with a dark blue background and "Vote Caligula". £1.25 Quantity: at £1.25 each Add To Basket 0 in your basket View Basket Checkout Caligula was the nephew of the Roman emperor Tiberius, and was his heir. When Tiberius died Claudius became emperor, went a bit mad, killed a lot of people and was eventually murdered by his own soldiers. He was succeeded by his uncle Claudius. Size: 38 mm. Colour: Dark blue.