Board Thread:Wiki Discussions and Support/@comment-2140588-20150318152949/@comment-4912646-20150405224548

Yamato's databook entry also seems to imply he was given the codename "Yamato" by Hiruzen, which isn't from the Kakashi filler and contradicts both the manga and the anime. The entries for Torune, Pakura, and Maki also mention their anime-only backgrounds, but without all of the details.