An athletically-built, brown-haired actor best remembered for his scantily-clad turn as a dancing Pool Boy in sketches on "Mad TV", Bryan Callen got his start in stand-up before landing his 1995-97 spot in the cast of the Fox sketch-comedy series. A graduate of Washington DC's American University, the energetic native New Yorker did well on the stand-up comedy circuit, even performing his act on "The Late Show with David Letterman" (CBS). Though comedy was his primary genre, Callen held his own with a 1998 recurring role on the second season of the far-from-funny HBO prison series "Oz",