Ok When The Riddle Is Answered Corectly The One Who Got It Can Do Another Riddle I'll Start

I Am Twice In A Week

Once In A Year

Twice In A Decade

Once In A Century

Who Am I? ^_^

The Answer is the letter E.


By the way, I could've sworn I've seen a thread like this before. >.>

There is =/ , cant find it though.

Edited: Here it is =/

http://s7.invisionfree.com/Yugioh_net/inde...?showtopic=2312