The Malphas (AUDIO: The Guardian of the Solar System) were a race from the Outer Galaxies. They were rock-like in appearance with cracked skin, (TV: The Daleks' Master Plan) as silicon-based lifeforms. Indeed, a Malpha could be ripped apart into rubble through sonic vibrations. (AUDIO: The Perfect Prisoners)

Malphas originated on a planet with gravity quite unlike Earth's, which, combined with their silicon-based morphology, meant that they had greatly increased strength compared to humans. (AUDIO: The Perfect Prisoners)

Sara Kingdom noted them as a race that could threaten Earth at the turn of the 41st century, (AUDIO: The Guardian of the Solar System) and in fact they were represented by Malpha on the Galactic Council when he made a pact with the Daleks and the Great Alliance to conquer Earth. (TV: The Daleks' Master Plan)

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