Urgh, 4Kids. They have ruined some of my favorite Shonen shows. They hold a very bad place in my heart.
Anyway, someone has mentioned One Piece, but I would like to talk about Yu-Gi-Oh! Yes, the card game show. Now, I am a fan of the anime more these days than the card game and let me say Yu-Gi-Oh! is actually cool and awesome, has a great storyline. The way it has been bastardised with the edits and dialouge makes my blood boil.
5D's anyone? "Trudge, remember me? Yeah, that's right, I am putting backstory in for the sake of it. lol4Kidssucklol"
"ARGH! The Dragon Birthmark! ARGH ARGH ARGH ARGH!"
"What, just a kid? I'm eighteen damnit!"
Seriously, 4Kids need to hand over Yu-Gi-Oh! over to Funimation.