Who is Enki/Ea from The 12th Planet and what is their importance?

Enki, also known as Ea, is a Sumerian god. According to Sitchin, Enki was an alien from a planet on an elliptical orbit with our solar system, one of the Nefilim. Enki was the first Nefilim to arrive on Earth, preparing the way for others to colonize and creating the first city, from which the name "Earth" derives. A scientist, Enki was in charge of mining operations in Africa and head of the southern hemisphere of Earth. He is the master of technologies among the gods. According to Sitchin, Enki was also responsible for the genetic engineering of mankind.