Reptile person

Reptile people, (PROSE: From Wildthyme with Love) also known as lizard people, (PROSE: Teddy Sparkles Must Die!) were a race of flesh-eating humanoid reptiles who resided in Earth's Core. (PROSE: From Wildthyme with Love, Teddy Sparkles Must Die!)

History
In 1925, Teddy Sparkles took Esme, Jack and Peter on an adventure at Earth's core, where they came across the flesh-eating lizard people. reluctantly saved them while riding on the back of a giant Robot Badger. (PROSE: Teddy Sparkles Must Die!)

In 1969, or at least in Paul Magrs' dream, the "peculiar lizard men" began massing in caverns deep below Earth's surface. (PROSE: In the Sixties)

In 1971, Mike signed the Official Secrets Act after lizard men were found under Wenley Moor. (PROSE: Mrs Frimbly's Festive Diary)

Around this time, the lizard men warred against the Ape Primitives who had stolen their planet from them. They were encountered by Iris Wildthyme, who had to stop MIAOW from committing genocide on them. She also came across a dashing old gentleman resembling Peter Cushing during the same adventure. (PROSE: From Wildthyme with Love)

Behind the scenes
The reptile people are a clear allusion to the Silurians, though they are not identical, as much of the lore surrounding the reptile people was inspired by and.