From the British Library Medieval Manuscripts blog: Vengeful, merciless and brutally violent… yes that’s right, we’re talking about medieval bunnies. Rabbits can often be found innocently frolicking in the decorated borders or illuminations of medieval manuscripts, but sometimes, for reasons unknown, these adorable fluffy creatures turn into stone-cold killers. These darkly humorous images of medieval killer bunnies still strike a chord with modern viewers, always proving a hit on social media and popularised by Monty Python and the Holy Grail’s Beast of Caerbannog, ‘the most foul, cruel, and bad-tempered rodent you ever set eyes on!’.