C and Y
They're both usually found with beer and inbred. -&y (written by moi)
They're not infallible
Throw them in the mainstream. Edit: spelling because I'm 5
U and I.
Because they are not Cs.
You may think it's "Arrr", but nay, his first love be the "C".
Because all the other letters are not c's. *** *ba dum tss*
Post office.
Stealing candy from a dead baby.
and