I'll get to work on Kaz sometime tonight and post it here for easy reference. I can say though that I've settled on him being a fire-bender.

[hider=Kazuhira Kadokawa aka Kaz]
[img=http://th06.deviantart.net/fs71/PRE/i/2012/239/d/9/embers_by_jay_jacks-d5cnx23.jpg]
[/hider]
Age:20 
Personality: A survivor at heart. He adapts to new situations quickly and thinks on his feet. Not the kind of person who plans more than a day ahead of time. He is tough, practical, and not afraid to bend or on occasion break the rules in order to survive.