yup and the .edat you need to rename into .gmo for Player.gmo is the edat with biggest memory size, the .edat with second biggest memory size is for Assist.gmo, the third biggest in size is for Attachments.gmo
for the .edat that is only 18kb in size, is the .edat that need to be rename into .gim for Portrait.gim
also go here if you want to know how to insert it into your .iso:
http://community.dissidia.wiki/topic/574-dissidia-modding-suitenew-version-tutorial/
and go here if you want to know how to created your own mod:
http://community.dissidia.wiki/topic/539-how-to-make-mod/
http://community.dissidia.wiki/topic/509-maknollram-mods/
http://community.dissidia.wiki/topic/596-custom-gmo-tutorial/
http://community.dissidia.wiki/topic/1036-how-to-change-icons/
http://community.dissidia.wiki/topic/584-music-mod-help/
http://community.dissidia.wiki/topic/617-help-how-to-mod-the-ex-burst-stage/
Credit goes to SkyBladeCloud, John Smith, Maknollram, Deraj8 for the tools and tutorials