User blog comment:Imhungry4444/Fairy Tail Wikia Podcast 10/05/13/@comment-1393830-20131006021352

Ulta,

7 Lights:

Sora

Rikku

Kairi

Mickey

Ventus

Aqua

Lea

13 Darknesses:

Master Xehanort

Xemnas

Young Xehanort

Terra-Xehanort

Ansem, Seeker of Darkness

Xigbar

Saix

Larxene

Marluxia

Luxord

Demyx

Roxas

Ansem The Wise

Not sure on Roxas, but it was said one of the one considered for a light was already one of theirs, so its either Roxas or Terra there but we all know that Terra was already overcome by darkness, so it wouldnt make sense for it to be him