Paul Allen Wood Shaffer (born November 28, 1949) is a Canadian musician, actor, and comedian who served as David Letterman's musical director, bandleader, and sidekick on Late Night with David Letterman (1982–1993) and Late Show with David Letterman (1993–2015). == Early years == Shaffer was born in 1949 in Toronto, and raised in Fort William (now part of Thunder Bay), Ontario, Canada, the son of Shirley and Bernard Shaffer. He was raised in the Jewish faith. His father, a lawyer,... [more on Wikipedia]