Iceron

Iceron is a chouju created by Yapool in Ultraman Ace. He appeared in episode 42.

History
Yapool decided to freeze all of Japan so he unleashed his chouju Iceron to destroy Japan. A boy called to his dead father who became the monster Woo. The two monsters fought until Iceron pushed Woo off a cliff. Hokuto became Ultraman Ace and fought the freezing chouju. Iceron was a formidible opponent and Ace's timer blinked due to severe cold. Ace fired his Mettalium Beam and caused and avalance, burrying Iceron alive.