King Aethelred, known as Aethelred the Unready. The nickname sums him up, though apparently ‘unready’ didn’t mean what it sounds like it means, but derives from the Old English word meaning ‘badly advised’, while the name Aethelred means ‘well advised’. It’s a joke – Well-Advised the Badly Advised – and a message to posterity about the limited impact of nominative determinism.