Viva Le France! (or is it La?)
You're Only As Old As You Feel (HA!)
Zilch
That one went rather well we can either run through it one more time or someone start a new one.
Z is gonna be a tough one. How about
"Zip a dee doo dah, Zip a dee ay, my oh my what a wonderful day?"
If that's acceptible, let's now do
Native American tribes
I don't think there is a 'J' unless someone knows better?
Karankawa
There are not many famous ones beginning with a 'J;' the only one that I can think of is the Jicarilla Apache tribe...
L: Lummi.