A "twelve-eyed spider" from Metebelis III once entered the Doctor's TARDIS, and uttered "Kalacha nee-too webweb!", which meant "Gosh, it's bigger on the inside!" in their native Metebelin tongue. (PROSE: The Secret in Vault 13 [+]Loading...["The Secret in Vault 13 (novel)"])
The Eight Legs evolved from Earth spiders brought to Metebelis III by human colonists, whom the Eight Legs then turned into their slaves. They objected to being called "spiders" most vehemently. (TV: Planet of the Spiders [+]Loading...["Planet of the Spiders (TV story)"], AUDIO: The Eight Truths [+]Loading...["The Eight Truths (audio story)"] / Worldwide Web [+]Loading...["Worldwide Web (audio story)"])