All the unowns are letters of the alphabet from A to Z there's two special unown that are a little different there is a exclamation point and question mark one.
Annon.Collecting.
28
You can get a full list with pics at http://www.serebii.net/red_green/unown.shtml
yes there are unown Pokemon in fire red. you have to go to the Tanoby Ruins on seven island
Seven Chamber Unknowns28 The Whole Alphabet and a question mark and exclamation point
Nothing you just catch them that's it. Psst in the monean and viapois chamber you can rarely find a question and exclamation mark unown.
Unknowns are represented by letters
W.W.I W.W.II Korea
every letter in the alphabet is a unkown and ? ! are unknowns
The duration of The Legend of the Unknowns is 2700.0 seconds.
The Legend of the Unknowns was created on 1983-01-24.
Bray Unknowns F.C. ended in 1943.