I think that the naruto is a little bit funnier than one piece when it gets down to stupid bits, although one piece is a better series. Bleach although the funny bits are few and far between has some pretty hilarious moments. The original naruto anime is better than the shippuden one for funny stuff.
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Though I feel One Piece and Bleach gags to be Funnier than Naruto.
She looks too pretty whenever she gets teased and makes a Chibi face.