The Chupacabra was a cryptid. Stendec kept a Chupacabra in the Eleven-Day Empire's Stacks which was killed by Antipathy. (PROSE: Of the City of the Saved...)
The conspiracy theory magazine Plexus covered the Chupacabra. (AUDIO: The Conspiracy)
According to Jack Harkness, there had been no reports of a Chupacabra in the UK by 2008. (PROSE: Mrs Acres)