1. Good guy, warrior, never attacks someone unless attacked first. Think of him as a paladin type, or a knight.
Nord most likely, no magic at all, maybe Companion Guild? Heavy armor is a must, probably two handed? Maybe a sword and shield?
2. Sinister and evil mage. No morals. All he wants is power, fame, and riches. Death is nothing but first nature to him.
Pure mage, no weapons except staves. Robes of course, but a heavy armor pure mage might be sweet.
3. The thief. Quiet, ties to avoid conflict as he is weak, yet quick and accurate. Main weapon would be bow.
Any other interesting build ideas?