Top 10 Strongest OP characters of all time

In this post, I'm going to post the pictures along with a little description of the ten most strongest characters of One Piece known till date since the beginning of the Episode till date. This list also includes those characters, who have already died. 
Enjoy the strongest powers with the images of the Powerful Ones.

1). Gol D. Roger
    Known as the pirate king, The legendary Pirate Gol D. Roger is definitely the strongest Person Known in the history of One Piece Till date. Talking about his power, his Haki was the main power and he was a great swordsman. There is nobody in the history of One Piece, who can match the might of Pirate King Gol D. Roger

Awesome Pirates

The great pirates, who are now in the New World, the most deadliest sea of the world. Only one from the thousand of Pirates who had the dream of becoming a pirate king can really get the Crown of  being the King.....