One Piece at a Time was created in 1976-03.
Piece of Time was created in 1989.
One Piece Missing was created in 2001.
One Silver Piece was created in 1976.
Nami - One Piece - was created in 1997.
One Piece Grand Collection was created in 2012.
One Piece Film Z was created on 2012-12-15.
Come Back in One Piece was created on 2000-06-06.
1999
1999
There are hundreds of characters in the One Piece manga. New ones are created all the time and old ones can often still be relevant even as the story progresses.
Piece by Piece - book - was created in 2005-02.
Eichiro Oda... not sure how to spell his first name but that looks right... maybe two i's somewhere