Meet Twix, the Cape Porcupine at the Lake Superior Zoo. Twix, the African Cape Porcupine, got a special enrichment treat from an apprentice zookeeper, Alison Stolzman. She made a giant Twix bar with squash, peanuts, biscuits, and some newspaper. Twix is a popular animal at the Lake Superior Zoo. See here: Meet Twix at Toast to TailsHis favorite treat is nuts, but he also eats a wide variety of fruits and vegetables.