Changes

'''Cathy Katherine'''<ref>{{cite web|url=http://www.canalj.fr/La-tele/Dessins-animes/Yu-Gi-Oh-Zexal/Personnages/Cathy-Katherine|accessdate=April 17, 2013|title=''Yu-Gi-Oh! ZEXAL'' Personnages|publisher=http://www.canalj.fr/}}</ref>, known simply as '''Cathy''' (キャッシー ''Kyasshī'') in the manga and Japanese version and nicknamed '''Cat''' ('''Cat-chan''' in the manga and Japanese version), is one of the main supporting characters appearing in ''[[Yu-Gi-Oh! ZEXAL]]'' and one of [[Yuma Tsukumo|Yuma]]'s friends. She has an obsession with cats to the extent that she behaves like them and can control them.