Agumon

Agumon is the main character and mascot of the Digimon franchise. He is Taichi "Tai" Kamiya's partner. He is well known and is popular. He makes his debut in And So It Begins where as an Koromon, he meets Tai, his human partner. He appears throughout season 1 and season 2. He can Digivolve to Greymon, MetalGreymon, and WarGreymon. His previous forms are Botamon and Koromon.