Janina Zione Gavankar (born November 29, 1980) is an American actress and musician. She is trained as a pianist, vocalist, and orchestral percussionist and majored in theatre at the University of Illinois Chicago. Her roles include Eva "Papi" Torres on Showtime's The L Word, Shiva on The League, Leigh Turner on The Gates, Luna Garza on HBO's True Blood, McKenna Hall on The CW's Arrow, and Diana Thomas on FOX's Sleepy Hollow as well as Qetsiyah/Tessa in The CW's The Vampire Diaries. In the marketing world Janina is known to have played the role of "Ms. Dewey", a personified search engine and virtual assistant for Microsoft. (Via Wikipedia)