A mysterious race which once was the master of the Old World and which created our world in the Nova Project. They have long since transcended the bounds of the mortal world, having become entities of pure energy. Their powers are many and great, and their scientific knowledge far exceeds that of any other race our world knows of.
Unknown (also known as Unknown Worlds) was a pulp fantasy magazine, edited by John W. Campbell, that was published from 1939 to 1943. Unknown was closely associated with the science fiction magazine Astounding Science Fiction, which was also edited by Campbell at the time; many authors and illustrators contributed to both magazines.
Unknown is a fictional character in the Tekken fighting game series. The character has thus far only appeared in Tekken Tag Tournament, in which she is a boss character.