Actually *ecstatic utterances*were common among the pagans and the shamans. Their origin would be with Satan. The Sybilline Oracles are a good example.What makes you think the devil can't impersonate languages of men? What makes you think he can't impersonate the interpretation of tongues?
"The Sibylline Oracles (Latin: Oracula Sibyllina; sometimes called the pseudo-Sibylline Oracles) are a collection of oracular utterances written in Greek hexameters ascribed to the Sibyls, prophetesses who uttered divine revelations in a frenzied state." (Wikipedia)