AncientMegatheriumon

AncientMegatheriumon, from the Digimon Frontier series, is an Ancient Beast Digimon with the power over ice. He was one of the Ten Ancient Warriors that saved the ancient Digital World from Lucemon's treachery. The size of a small mountain, he dominates the absolute zero, intensely cold frozen lands. The power AncientMegathriumon possessed now lives on in Tommy, who wields the Spirits of Ice created by AncientMegatheriumon.

Evolutions

 * Baby - Pichimon
 * In-Training - Bukamon
 * Rookie - Gomamon
 * Champion - Ikkakumon
 * Ultimate - Zudomon
 * Mega - AncientMegatheriumon

Attacks

 * Freezing Blizzard: Create a snowstorm that can completely freeze everything.
 * Great Snowplow: Uses his hard fur to attack his enemy.

Digimon Frontier
He was involved with the other 10 Digimon when it came to defeating Lucemon.