He changed his family name (Tebaldi) to Tebaldeo, in consonance with the practice of the Humanists, who sought to Latinize the form of their appellation as much as possible.
He lost all his means in the sack of Rome (1527), and spent the remainder of his life in very narrow circumstances.
With his artificial manner, his abuse of metaphor, and his studied imagery he was a forerunner of those extravagant versifiers who, in the seventeenth century, developed the movement called Marinism or Secentismo.
A redaction of Poliziano's play Orfeo, which has been ascribed to Tebaldeo, aims to make that piece accord better with the principles of classic composition.
See his verse in the edition of Venice, 1530, "Di M. Antonio Tebaldeo ferrarese l'opere d'amore".