Mentor

Mentors are not be confused with The Mentor from Big Finish audio series Dalek Empire

The Mentors are a race of amphibious aliens from Thoros Beta.

Physiology
Mentors have the upper body of a humanoid and a segmented tail. They have fins around their head and large flaps between their arms and bodies. They come in a variety of skin-tones, including green and tan. They are cold-blooded and have both lungs and chest gills. Young Mentors also have poisonous stingers on their tail, but this is generally lost at a certain age. (DW: Mindwarp)

Culture
Mentors are a highly mercantile species, running such companies as the Galatron Mining Corporation and the Search Conv Corps. They have access to much of the commerce in the Galaxy from Thoros Beta. They also used slavery, transporting the Alphans from Thoros Alpha.

The Mentors worship Morgo and their form of the underworld is the Plague Hall of Mogdana. (DW: Mindwarp)