Satan

100 Year Old 11 Evil 11 Tailed Dragon that once has Dark Chakura attempting to destroy the planet

Legend of Carl
99 Years Ago, The 11 Tailed Monster had burst through the Planet Den's Core at the early awakening. The One Hero that save the planet from the Dark Gaia in Mortal Kombat. He used all of his Magic to capture the Dark Gaia and seal it within his own Body. The one Wizard uses the Creation of all thing to divide Dark Gaia's Chakura into 10 Powerful Tailed Beasts was known as Carl Klova

Legend of Tsunade
Tsunade met Fortezza Gundam realizing that he was the part of Dark Gaia.

Legend of Yuki
When Dark Gaia plan built by the United Sates of Japan was failed, the 10 Dark Gaia was also going on the rampage destroying Japan most popular city known as Tokyo and was then put back to Sleep.