Kryptonian Fluency is the ability to read and speak Kryptonian.
Characters with this ability[]
- Clark Kent - He was downloaded with all of Krypton's languages.
- Frederick Walden - He could read the paintings on the cave walls.
- Virgil Swann - He could read messages passed down by Jor-El.
- Joseph Willowbrook - He can read the ancient cave paintings painted by the Kryptonian Visitor.
- Lionel Luthor - He could read all Kryptonian symbols, markings and paintings.
- Chloe Sullivan - She had Brainiac's database downloaded into her brain.
- Casey Brock - She could speak Kryptonian.
- Bizarro - He could read and speak Kryptonian.
- Davis Bloome - He was downloaded with all of Krypton's languages.