I feel I have no room to talk, since I've only been a fan for four years (I've watched them since 2007), but my parents are diehards, if that counts for anything. I've only missed one Packers game since 2007 though, even during 2008, and that was the Packers-Rams game of this year. That was because I overslept.
I'll name 5 QBs before Favre.
Don Majkowski
Lynn ****ey
Babe Parilli
Tobin Rote
Steve Bartkowski (Starr's replacement in the 60s)
Leroy Butler invented the Lambeau Leap. I believe it was during a game in 1993 against the Los Angeles Raiders when Reggie White caused the Raiders' QB to fumble. He picked it up himself, but was pushed out of bounds, so he lateraled the ball to Butler, who ran it in for a TD, and jumped into the stands.
The greatest MNF catch in the history of football is this:
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I still own a videotape of the original broadcast.