The four Guardians
Azulongmon
Azulongmon is the guardian of the East. He has four digi-cores around his four legs. He helped the digidestined in season02 by giving them the power of one of his digicores so they could digivolve to their ultimate levels. He was sealed away by the dark masters and by the control spiers.
Baihumon
Baihumon is the guardian of the West in the digital world. His power was sealed away by the Dark Masters. He is one of the four holy beasts.
Ebonwumon
Ebonwumon is the guardian of the South in the digital world. This fiery birds power was sealed by the dark masters along with the other three guardians.
Xuanwumon
Xuanwumon is the guardian of the North. He is the oldest of the four guardians. His power was sealed away by the dark masters.