Viperox

Viperox were reptilian warriors. They invaded Earth, and made deals with the leader of area Area 51. They had a base on Earth beneath an old ghost town called Solitude. (DW: Dreamland)

Biology
The Viperox are larger than a human being, they are insect like in appearence. They have Super Hearing, which the Doctor told Cassie Rice. They could shoot spikes out of their hands. Since they are not mammals, they laid eggs using a Viperox Queen. (DW: Dreamland)

History
The Viperox invaded the planet where Rivesh Mantilax and Seruba Velak lived. They destroyed and wiped out most of the population. They chased Seruba to earth where she crash landed. Soon after this, the Viperox invaded earth in the 1950s. Their leader Lord Azlok made deals with the US government including making a deal with General Stark. They made a base under an old ghost town. (DW: Dreamland)