Spoo is/are (the plural of Spoo is Spoo) little white pasty creatures mentioned in passing in Babylon 5 as being a delicacy of the Centauri. They are mealy little critters which don't do much in the way of anything.
"Ugh, it's terrible. And the Centauri love this stuff?"
"Eat it by the truckload."
"And what do you think of the ham?"
"Tastes like chicken."