The 12 Devas were sent to the Real World from the Digital World by Zhuqiaomon to capture Culumon. They are symbolized by Zodiac animals.
Mihiramon - Tiger
Santiramon - Snake
Kunbiramon - Rat
Makuramon - Monkey
Shinduramon - Rooster
Vajiramon - Bull
Pajiramon - Sheep
Indramon - Horse
Antylamon - Rabbit
Vikalaramon - Pig
Majiramon - Dragon
Chatsuramon - Dog
The Guardians are the 4 main protectors of the Digital World.
Guardian of the South: Zhuqiaomon
Zhuqiaomon is the pheonix Guardian. He thought that humans
and Digimon shouldn't be together and tries to destroy
the Tamers, but in the end comes to his senses and helps them.
Guardian of the East: Azulongmon
Azulongmon is the dragon Guardian. He is wise and
stops Zhuqiaomon from killing the Tamers.
Guardian of the North: Ebonwumon
Ebonwumon is the turtle Guardian. Not much is known
about him except that he is a hermit and doesn't like
Guardian of the West: Baihumon
Baihumon is a mystery, like Ebonwumon. Nothing is
known about him at all.