High Quality Content by WIKIPEDIA articles! Zelda Rubinstein (May 28, 1933 – January 27, 2010) was an American actress and human rights activist, best known as eccentric medium Tangina Barrons in the movie Poltergeist (1982) and its sequels, Poltergeist II: The Other Side (1986), and Poltergeist III (1988). Playing `Ginny`, she was a regular on David E. Kelley`s Emmy Award winning television series Picket Fences for several seasons. She also made guest appearances in the TV show Poltergeist: The Legacy (1996), as seer `Christina` and was the voice of Skittles candies in their long-running `Taste the Rainbow` ad campaign. Rubinstein was also known for her outspoken activism for little people and her early participation in the fight against HIV/AIDS.