One Piece (1999)
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One Piece is an anime full of wacky and influential characters in various settings. From the Marines to the World Government to the Seven Warlords to the countless Pirates sailing the seas, the world of One Piece has too many strong characters to count. However, the Marines are at the top of the food chain and demand strength because of the ever-increasing surge of pirates. With juggernauts such as Akainu and Sengoku leading the Marines, they have some of the strongest characters in the series.