Mythical Chupacabra Euthanized in Texas Jay Hathaway · 04/04/14 01:25PM For decades, we've had nothing to fear but fear itself—and el chupacabra, the mythical beast that sucks the blood out of goats and humans alike. Well, now we can go back to just fearing fear, because the chupacabra has reportedly been euthanized.