User blog comment:PUNCHURPREGNANT/Gray and Silver Predictions/@comment-50.171.74.14-20140310194203/@comment-7418318-20140310194637

The other Demons are most likely more than 400 years old, so we really can't tell anything about his age.

In all likelyhood, his current appearance was how he looked at the moment he was turned into a Demon (IF he wasn't a Demon to begin with anyway).

Besides, the low body temperature of ice mages might result in a slower aging process :P ...this one's a joke, but the rest was serious.