Hex Coda Character Reference Images

Kronos's hair is purple, and lighter than Six's.
Kronos's eyes are purple.
Kronos looks older than all the other elves -- aged like William, older-looking than Dayvid, and definitely older than the other Hex Coders.
There's two looks for him in the game; a wild-eyed refugee with torn robes, and the more composed and stately one shown here.
Elf ears in fanart can be more subtle than the ones shown in NWN -- think Lord of the Rings ears.