Teller (born
Raymond Joseph Teller; February 14, 1948) is an American
magician,
illusionist, actor, comedian, writer, director and half of the comedy magic duo
Penn & Teller, along with
Penn Jillette. Teller usually does not speak during performances. He is an
atheist,
debunker,
skeptic, and a fellow of the
Cato Institute (a
free market libertarian think tank which also lists Jillette as a fellow), an organization which featured prominently in the duo's
Showtime television series
Bullshit!. Teller
legally changed his name from "Raymond Joseph Teller" to the
mononym "Teller", and possesses a United States passport issued in that name.