One Piece (1999)

S2E71 Huge Duel! The Giants Dorry and Broggy!

Nami and Usopp come across a colossal giant named Brogy, while Luffy and Vivi find themselves face-to-face with Brogy's fierce rival, Dorry. Unbeknownst to the Straw Hats, agents from Baroque Works are secretly following their every move.