Sir Nicholas de Mimsy-Porpington, known after his death as Nearly Headless Nick, (d. 31 October, 1492) was a wizard who attended Hogwarts School of Witchcraft and Wizardry and was Sorted into Gryffindor House. He was a wizard of the royal court as an adult. He was executed by an improper decapitation, after he had a magical mishap with Lady Grieve, in which she grew a tusk. Since then, he is the resident ghost of Gryffindor Tower at the Hogwarts Castle.

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