Quote Originally Posted by The Heretic Azazel
Xan just said how they pronounce it. They pronounce Sasuke well too. I think even the anti-dub elite could appreciate the efforts of the American dub. They use the Japanese version of quite a few words, which is especially surprising since it's in a block aimed at younger viewers. They even substituted Kekkei Genkai for bloodline limit.
On the other hand, they seem to have interpreted 'dattebayo' to mean "Believe it!"