Ice Man

(You may instead be looking for Bobby "Iceman" Drake, of the Uncanny X-Men!)

Created by Dr. Light and reprogrammed for evil by Dr. Wily, Ice Man is one of the original six Robot Masters who faced Mega Man!

Ice Age
Ice Man defeated Frost in the first round, and Glacius in the second, before losing to Gill in the semifinals.

Robot Masters
Ice Man defeated Time Man in the first round, before losing to Guts Man in the semifinals.