Derros, Dwarrows, whatever you want to call them, this is what they look like.

An alien race that tried to take over Lemurias, they were driven underground by an alliance between human and dwarf.  The derro are a race of humanoids with a trunk for a nose, oily skin, and an obese body.  They passed on the penchant for obesity to the human race through the usual method: sex.
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