After Tess gets her hands on the late Lionel Luthor's journal, she finally learns the identity of Clark, and of Davis' true origins, in which she abducts him and hold him hostage in the Luthor mansion where she tells him that Clark/Kal-El is the savior of mankind and he, as Doomsday, has been sent to destroy it. Davis also flashes back to his discovery upon his arrival on Earth and of him becoming acquainted with the young Lex Luthor. Meanwhile, while Clark tries to persuade Chloe about Davis' true nature in linking a series of killings to him, Davis decides to ask Chloe to find a way to destroy him before he destroys the world. Written by
Did You Know?
Davis's immortality as Doomsday is true to the comics because Doomsday in the comics could regenerate every time he is killed and adapts so that he could not be killed the same way. The only way Doomsday could die is to completely obliterate every part of him - which means he is not immortal. See more
According to the Kawatche Indians, this boy is part of a two-headed creature - good and evil. The Luthors were too busy feuding over which one of them was worth enough to be your adversary that they couldn't see the truth... that there was another boy who came to Earth with you. Davis Bloome.
So you think that Davis Bloome and I are from another planet?
Lionel found Davis on the day of the meteor shower. He thought he was the Traveler, but then the boy's tests seemed normal.
References A Clockwork Orange