Naraka (also known as Demon General Naraka) was a Namekian who was the leader of the Evil Namekians on Earth.
In Age 940, Naraka was born from an Evil Egg, that was created from the evil within the hearts of the Namekians who moved to earth. It was discovered and then careful sealed and kept stored.
During AGE 972, Naraka hatched from his egg and started to spawn comrades and started a civil war among the Namekians.
Naraku's name comes from Naraku (奈落), one of the Japanese names for Hell as it is depicted in Buddhism.