Dear William & Kate: If William is 100% royal and Princess Kate is 0% royal, will that make your son a half-blood prince? #RoyalBaby

— Professor Snape (@_Snape_) July 22, 2013

Dear William & Kate: Your son is the Half-Blood Prince. It only seems fitting to name him ‘Severus Snape.’ #RoyalBaby

— Professor Snape (@_Snape_) July 23, 2013