Ten Television Characters Who Were Never Fully Revealed On Screen

The Big Bang Theory is a wildly popular television show. It includes Mrs. Wolowitz: Howard's loud, overbearing, mustachioed and morbidly obese mother, who is never actually seen on camera.

It takes a rare talent to win the audience's affection without ever showing your face, or - in some extreme cases - even setting foot in frame. Here are 10 of the very greatest TV characters we have heard but never seen.

(via Neatorama)