Terra Firma (known as Earth by its inhabitants) is a planet in the Milky Way galaxy.
Role in Series
Terra Firma is where most of the Daniel X series takes place. Resident Alparian Daniel X works to destroy the alien criminals on this planet, who often have a scheme of their own design involving the Earthlings that would end in their destruction.
The Dangerous Days of Daniel X
In the first installment of the Daniel X series, Daniel lives on Terra Firma and began a mission to destroy Number Six on The List.
Daniel X: Watch the Skies
Daniel X must stop Number 5 from killing humans with a TV show called Entertainment.
Daniel X: Demons and Druids
Daniel X must travel back in time to stop Phosphorous Beta's fire empire before it even starts.
Daniel X: Game Over
Daniel X must stop Number 7 and Number 8 from wiping out the human race with a mind-controlling video game.
- Atrelda X (Alparian)
- Graff X (Alparian)
- According to the Daniel X series, the elephant is not originally from Terra Firma. They were given as a gift to the "unique" humans from the inhabitants of Alpar Nok.