The Steelers and the Cowboys.
Super Bowl XLII will be the 18th NFL Championship game the New York Giants have played in which is the most of any NFL franchise. Super Bowl XLII will be their fourth Super Bowl and they played in 14 NFL championship games prior to the Super Bowl era.
Prior, Tom Brady and Matt Light had played in 4 super bowls.
In the Super Bowl era (playoffs from 1966-2008) that would be the Cleveland Browns who, since 1966, have made the playoffs 14 times and played 20 playoff games but never played in a Super Bowl.
Charles Haley (5).
Chicago bears From 1933, when the first NFL championship game was played, to 2008, when Super Bowl XLII was played, the team that has lost the most NFL championship games is the New York Giants who have lost 11 NFL championship games (pre Super Bowl) and 1 Super Bowl for a total of 12.
The Dallas Cowboys have played in the most Super Bowls - 8 - . They have won five and lost three.
As of February 8, 2011 there have been 45 Super Bowls including the most recent on February 6, 2011 where the Packers beat the Steelers.
Andy Reid and Donovan McNabb
the patriots
Charles Haley
Joe Montana
terry bradshaw