Kingdom Heart's Facial Items By ProwlerTylo

This item can be downloaded at PTylo's This and That Sims Blog.

Organization XIII Sims and Hair By Kitty_Paine

The hairs can be found in this thread at the forums of Mod The Sims.

You can download the hairs at Megaupload.
Vexen
Axel
Zexion
Marluxia

The Sims can be downloaded at the Sims 3 Exchange.
Vexen
Axel
Zexion
Marluxia

Larxene and Demyx's Hair By JulieAlesha

This can be found at Mod the Sims Forums.

You can download them at Megaupload.

Larxene Hair
Demyx Hair

Original Larxene Mesh by Medrops (Sims 2).

Axel's Weapons (Kingdom Hearts) By Rose Sims

This item can be found at Rose Sims.