The Terronians are a sentient race that rank among the dominant species' in the Trillian Sector. The Terronian people make up the largest segment of population in the Interstellar Dominion. They control the Troman High Council that operates the executive function of the Interstellar Dominion government. By nature industrious and expansionist, the Terronians spent a long time trying to conquer all the known planets before they recognized their limits and came to a political reconciliation with the some of other powerful interplanetary actors in the Trillian Sector. This political reconciliation led to the formation of the Interstellar Dominion.
Terronians are indigenous to Terronia.