Reno Hair By JulieAlesha

This item can be found at the Mod The Sims forum in this thread.

You can download it at MediaFire.

Namine and Tifa Hair By JulieAlesha

These items can be found at Mod the Sims in this forum post.

You can download them at Media Fire.

Namine
Tifa

Saix and Xemnas Hair By JulieAlesha

These items can be found in this Mod The Sims Forums Thread.

Or you can download them at MediaFire.
Saix
Xemnas

Prince of Persia Inspired Anto 47 Male Hair Conversion By V_Ware

This item can be found at V_Ware's Blog.

Xaldin and Cloud Hair By JulieAlesha

These items were displayed in a forums post at Mod The Sims which can be found here.

Xaldin
Cloud

Original Cloud Mesh by Medrops (Sims 2).

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).

Cloud Hair and Outfit By Oodsregic

These items can be found at the forum in post #267 at Thai the Sims 3. Registration Required.

You can also download them at mediafire.

Outfit
Hair

Vincent Valentine Hair By Oodsregic

This item can be found at the forum in post #352 at Thai the Sims 3. Registration Required.

You can also download it at mediafire.

Yuffie Hair and Headband By Oodsregic

These items can be found at the forums in post #336 at Thai the Sims 3. Registration Required.

You can download them at mediafire.

Headband
Hair

Snow Hair By Oodsregic

This hair can be found at the forums in post #336 of Thai the Sims 3. Registration Required.

You can also download it at mediafire.

Sora and Riku Hair (Kingdom Hearts) By TeacupKitty

These items can be downloaded at Garden of Shadows.

Original Meshs by Medrops (Sims 2).