AD 238 - Balbinus

Decimus Caelius Calvinus Balbinus - was Roman emperor with Pupienus for three months in 238, the Year of the Six Emperors. On the news of the Gordians' defeat, the Senate voted Pupienus and Balbinus as co-emperors on April 238, though they were soon forced to co-opt the child Gordian III as a colleague.