Chemilizards, originally known as orpali dragons, were reptilian life forms native to Nal Hutta. After the Hutts' terraforming and polluting of the environment, these lizards evolved to be able to extract nutrients out of the chemical pollutants that would kill most other living creatures.
- The Old Republic: Fatal Alliance (First mentioned, simultaneous with The Old Republic: Fatal Alliance audiobook)
- The Old Republic: Fatal Alliance audiobook (Mentioned only)
- Star Wars: The Old Republic (First appearance)
- Star Wars: The Old Republic Cartel Market
- Star Wars: The Old Republic: Galactic Strongholds