Kelex was a Kryptonian service robot loyal to the leader of the noble House of El, Jor-El. It was present during 1980 on the planet Krypton delivering the infant Kal-El with Kelor. It also helped Jor-El break free from the Sword of Rao. Kelex was later present with Kelor and Lara Lor-Van as Krypton's volcanoes began erupting, signaling the planet's impending destruction. Kelex was then destroyed when Krypton was destroyed.
- Flight: Kelex's way of moving around is by flying.
- Holographic projection: Kelex is able to transmit messages across Krypton to other service robots and devices through the use of its liquid geo face.