The NFL has seen some incredibly influential head coaches. Some have been so legendary with their success that they have trophies named after them. Some have dominated for over 20 years. Some have the most wins in the entire history of the NFL.Having a good HC means being endowed with someone who can build a strong franchise that lasts for seasons on end.The world was saddened to hear that John Madden had passed away, and he was and always will be one of the most important figures in NFL history.Here are five of the most influential HCs, including John Madden.Most influential NFL HCs of all time: #5-#4#5 - John MaddenJohn Madden will go down as one of the most influential HCs in the NFL. He was a fantastic coach and analyst and the man behind a series of video games that were meant to show the common person how football worked.NFL Throwback@nflthrowbackSo many legendary moments with John Madden on the call 🎙3:34 AM · Dec 29, 20211415245So many legendary moments with John Madden on the call 🎙 https://t.co/l9aYSt8TQLMadden worked tirelessly to help the world understand the game of football to a degree that no one else would. During his time coaching the then Oakland Raiders from 1969-1978, the team won one Super Bowl and went to the playoffs eight of the ten seasons that he coached. His 103-32-7 record is one of the best in NFL history.#4 - George HalasGeorge Halas was the HC of the infamous Chicago Bears and the owner of the team from 1922 until he died in 1983. Halas was a world-renowned coach and also played in the MLB. His overall record while coaching the Bears was 324-151-31. He won six championships during his tenure with the Bears.Nick Jacobs@Jacobs71#Chiefs HC Andy Reid can join an exclusive club on Sunday. The matchup against the Bengals would be his 400th career game. He would join the following:Don Shula- 526George Halas- 506Bill Belichick - 474Tom Landry - 4542:22 AM · Dec 28, 2021506#Chiefs HC Andy Reid can join an exclusive club on Sunday. The matchup against the Bengals would be his 400th career game. He would join the following:Don Shula- 526George Halas- 506Bill Belichick - 474Tom Landry - 454The NFC Championship trophy is named after Halas. He was once the winningest coach in NFL history before that designation was taken over by Don Shula. Halas was one of the founders of the NFL, and one of the first 17 people inducted into the Hall of Fame.