Sloathes were a species Benny encountered in a place called the System, a pocket dimension comprised of multiple dimensions. (PROSE: Sky Pirates!) One of its members, called Sgloomi Po, had escaped into the universe Benny and the Doctor normally habituated. Sloathes were both metamorphic and single-gendered, something that caused Benny to think of Sgloomi as a "hir", not a "him" or a "her". Consequently, Sloathes like Sgloomi had difficulties understanding human sexuality. (PROSE: Oblivion)

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