 Two other usurpers, Marcus Silbannacus and Sponsianus, are reported to have started rebellions without much success.Overwhelmed by the number of invasions and usurpers, Philip offered to resign, but the Senate decided to throw its support behind the emperor, with a certain Gaius Messius Quintus Decius most vocal of all the senators.Philip was so impressed by his support that he dispatched Decius to the region with a special command encompassing all of the Pannonian and Moesian provinces.