Devibhagavatapurana 4.14.5

4.14.5

sa tānvīkṣya susambhrāntāngururvākyamuvāca ha |
gururvo vañcayatyeva madrūpo'yaṃ bṛhaspatiḥ ||

Then Brihaspatî, the false S’ukrâchârya explained to the Daityas in plain and enchanting words that “the second man just come is the Deva Guru Brihaspatî; he has come here in my guise. His object is to cheat you.