"What about what’s-her-name, your friend … Yvonne?"
--Vernon Dursley (PS2)
Yvonne was a friend of Petunia Dursley who was unavailable to watch Harry on Dudley’s eleventh birthday because she was on vacation in Majorca (PS2).
Dates fl. 1991
Species / Race Muggle
Blood Status Muggle
Other Names "what's-her-name" (by Vernon Dursley) (PS2)
First Introduced PS2: The Vanishing Glass