|Behind the Scenes|
The Therils are an alien species originally from Sector 327-B.
The Therils are intelligent earth worms.
The Therils' homeworld was destroyed during the Crisis on Infinite Earths, the Green Lanterns rescued the few surviving members and sought out a new world for them. The Lanterns with the help of Superman found them a rogue planetoid for them to inhabit.
- Action Comics Vol 1 589 (1987)