>>47386116You can use the Kanto, Johto, Hoenn and Sinnoh Champion themes for any character, provided that they are actually the Champion of the corresponding region, and it wouldn't feel out of place because the theme belongs to the position, not to the character who holds the position.
Imagine, say, if Lysandre was the Champion of Kalos. You couldn't use Diantha's theme for him because it's obviously tailor-made for Diantha, not for the "Kalos Champion". Same if Drayden has been Unova's Champion instead of Iris, as Iris' theme wouldn't remotely fit Drayden.
