The elusive Katherine Pierce; also known as Katerina Petrova.
From The Vampire Diaries.

"K.berry" is inspired from the ever so famous masquerade scene in the second season of the series.
Katherine Pierce in a ravishing black dress looking absolutely stunning. Red hot lipstick. Black high heels. And of course, the strawberries.
K.berries.

K.P- human, doppelganger, vampire, traveller, passenger, the cure, spirit of hell, queen of hell.