4) KRYPTON KID
Where Jor-El sent his son away in a spacecraft, Zar-Al’s father rocketed his boy away from Krypton in a time-ship, causing him to arrive on Earth long after Superboy has established himself. The Krypton Kid and Superboy become fast friends, but are unsuccessful in finding the one rare element necessary to save Krypton in the past. refusing to let his pal die unnecessarily, Zar-Al tricks Superboy and returns home to Krypton, dying with his family in Superboy’s past…