One sure way of identifying the most passionate Peyton Manning fans is their use of the middle name given to him in honor of his quarterbacking prowess:

Peyton Fucking Manning — or PFM for short.

When news broke early yesterday that Manning would be announcing his retirement at a press conference scheduled for 11 a.m. today, plenty of Peyton boosters took to Twitter. And his profane honorific got plenty of action, often accompanied by photos, graphics and even a video during which Broncos players can be heard hollering "Peyton Fucking Manning" during Super Bowl 50.

Continue to count down our twenty favorite Peyton Fucking Manning retirement tweets.

Number 20:

Peyton Fucking Manning

— Daniel Diaz Perez (@DJayPerry) March 7, 2016

Number 19:

Yeah, just saying.. #goat #nfl #leader #quaterback #legend #stats #peyton #fucking #manning #broncos #colts #Supe… pic.twitter.com/iLShUyIt3h

— Broncos Selfie (@broncosselfie1) March 7, 2016

Number 18:

PFM, Peyton Fucking Manning, Papa John, PMoney, Peyton #Broncos

— Coach Mean (@blduman) March 7, 2016

Number 17:

Peyton Fucking Manning. Thank you. pic.twitter.com/oW2oek8GWN

— Bryce Otanez (@BryceOtanez12) March 7, 2016

Number 16:

Peyton Fucking Manning #ThankYouPeyton pic.twitter.com/hzvOUp06mF

— Perez (@DesertPit) March 6, 2016

Number 15:

So peyton fucking manning has decided to hang it up,thanks for everything you have done for the Broncos organization #PMoney #BroncosCountry

— #BroncosCountry (@larryberry33) March 6, 2016

Number 14:

PEYTON FUCKING MANNING EVERYONE

— Christina Renee (@stinanelson21) March 6, 2016

Number 13:

When you realize you've been on Twitter since 6 am reading and tweeting about Peyton Fucking Manning.

— BroncoGreg (@Elway4ever) March 7, 2016

Number 12:

damn.... Peyton fucking Manning salute

— T y a n n a (@tyannnaaa_xo) March 6, 2016

Number 11:

Goodbye to my childhood hero. Football won't be the same without the great PEYTON FUCKING MANNING!! #GOAT #sherif #18 #ithinkimgonnacry

— Faisal (@rfaisal11) March 6, 2016

Continue to keep counting down our twenty favorite Peyton Fucking Manning retirement tweets.