DeSantis wants votersâ signatures to match. Would his pass the test? If the Florida governor gets his way, mail-in ballot signatures would have to match the most recent signature on file with the state. His own signature history shows how autographs evolve. Â Â Gov. Ron DeSantis' signature has varied over the years. Here's how he has signed official documents from 2008 to 2021. [ ASSOCIATED PRESS | Photo illustration by ASHLEY DYE | Times ] Updated Just now Ronald DeSantis had just turned 30 when the up-and-coming prosecutor sent a Mayport Navy sailor to prison for six years on child pornography charges. DeSantisâ signature on the 2008 plea agreement was crisp and elegant: A sharp âRâ to start; a stately âDâ for Dion, his middle name; and âDeSantisâ written with an artistic flourish.