I would be upset about the lameness of the name "Mantyke" (ugh!), but I honestly can't think of anything better. I guess the lesson is that it was a really unnecessary Pokemon to begin with, especially since it hardly had any change from the original besides a size downgrade.

As for Dialga and Palkia... they're romanizations of the original names. Since that's the trend for legendary Pokemon, I won't complain.