As for Tenacious D, of course it could work as a full length movie; all it requires is a great writer and great director with an ability to think outside of conventional film comedy.
David Cross

Be tenacious. Get as much stage time as possible.
Ana Gasteyer

Extremely strong, effective, tenacious, and powerful political networks can be built when you fight losing battles as well as when you win.
Patricia Ireland

He was so tenacious he defied the distraction of women by refusing to have them in his presence, just as later in life he denied his blindness by calling for more and more candles.
Kit Williams

I am pretty tenacious as a perfectionist in terms of getting something right.
Garry Shandling

I am very tenacious.
Jenny Craig

I'm pretty tenacious when it comes to problems.
Roger Penrose

Metaphors are much more tenacious than facts.
Paul de Man

My favorite type of music to sing to would be rock and roll, Tenacious D, Led Zeppelin, some Queen - I love all of them. I love singing to them because they're all just great voices. I love listening to very obscure jazz.
Casey Abrams

Saddam Hussein has been tenacious in his pursuit of weapons of mass destruction and, unless he is removed from power, he will eventually harm our nation and our allies. Every moment we delay allows him to grow stronger.
Richard Shelby

The tenacious character I've possessed since I was a small child propelled me to successfully meet this challenge, and I was able to safely gain acceptance to the university of my choice.
Koichi Tanaka

There is one class of men, whom it especially behoves to be tenacious of the right of free discussion. I mean the poor.
Gerrit Smith

Women are tenacious, and all of them should be tenacious of respect; without esteem they cannot exist; esteem is the first demand that they make of love.
Honore De Balzac