 In "", it is revealed that a third Kryptonian (that is, after Clark and Kara) is on Earth.It is explained that the third Kryptonian does not refer to Chris Kent (Superman's foster son, General Zod's biological child), Power Girl (an Earth-Two Kryptonian) or Krypto (a canine Kryptonian).The storyline introduces a new Kristin Wells, an older woman and Kryptonian survivor named Karsta Wor-Ul who had left the planet many years before its destruction.