Nash was a (presumably) Muggle artist. He created a portrait of Big Ben with several timepieces embedded into it. The Dursley family owned a copy of this portrait, which they hung in their family home, near their cupboard under the stairs.
Behind the scenes
- The portrait of Big Ben seen in 4 Privet Drive appears to be based off a real portrait of Big Ben by a John Nash.
- Harry Potter films (Mentioned only)