Koromon

Koromon is the in-training form of Agumon and Betamon.

Attacks

 * Bubble Blow

Digimon Adventure
Koromon became the Digimon Partner of Taichi Yagami and permanently Digivolved to Agumon to fight Kuwagamon. He later appeared after becoming Skull Greymon and mostly as MetalGreymon and War Greymon.

Digimon Frontier
A Koromon was seen at the Autumn Leaf Fair. Another one was at the Village of New Beginnings run by Swanmon.