Lobo

Lobo is a powerful, high ranking spirit guardian of the Elohim. He typically takes the form of a large black wolf and follows Yumi around.

Lobo's real name is not known - but what is known is he very close to the divine council and loyal to God.During the Giovanni wars the Angels detected a 'rift' in the 'source' a river where all life flows. Lobo was sent down to earth disguised as a large black wolf, he found that a low ranking Angel had somehow died, and their spirit was sent to the source by accident corrupting the river, Lobo concluded this was the work of the Angel hunter, Belial.

The Elohim soon healed the corrupted river of life with the aid of Gaia. However, some damage was still done - a baby was born corrupted by the spirit energy of the Angel making the new born human unstable. The Angels and God were unable to act directly, as the human world was not allowed to be touched by Heaven. However this human girl was too dangerous to keep around, therefore Lobo volunteer to watch over the baby girl and ensure she does not do any harm - and on the off chance she does Lobo vowed to put her down.

From that day on Lobo became the Guardian Angel of Yumi. Lobo stayed with her for many years and kept her safe from harm. Once the girl was old enough, Lobo revealed himself to her and told her of her unstable spirit; it was believed this is how Serena learned of the power to kill Angels.