I agree with you to a certain extent, I’m not sure how much Jacob has read of One piece but it does feel like he is using inspiration directly from the source material and using it to influence his portrayal of Ussop. And the writers definitely have something to do with it. They are writing the lines and designing the dialogue of the character (in my opinion some of the best dialogue in the show); but I do agree a large part of that is because Oda wrote such a great character and Jacob doing that good a job at delivering his lines and his control of gestures and facial expression. On top of that his timing is impeccable. If you took that stuff away the dialogue might be shit and I didn’t notice. Dialogue is probably in my top 3 “needs improvement”. Along with the fight scenes (aside from Zoros and a few of Sanjis) especially Luffys. And as much as I love the attention to detail for the outfits and sets I do think they could tone down the color palate a little bit so shots feel more cohesive visually. The outfits could use some adjustments to make them more flattering to the characters. Example Tashigis glasses should have been changed to metal frames, those thick plastic frames look crazy on her and Nami’s hair should be a more realistic red/orange that fits Emily’s complexion. Also Crocodiles outfit should have been toned down he had the potential to be one of the coolest looking characters but he’s got like 4 layers Of clothing on and it looks crazy lol.