You need to know how to trust me? I am Mr. Sinister, though My "Press" and "Mirror" self is this Persian-Greek chap...

I guess we're close enough for him to be my mirror, and of course, there was "Aunt Katherine"...

Katherine Pierce, born Katerina Petrova (Bulgarian: Катерина Петрова) was a witch of the Traveler sub-culture and a former main character of The Vampire Diaries. She was also the second-known Petrova Doppelgänger of Amara and a former vampire…

• http://vampirediaries.wikia.com/wiki/Katerina_Petrova