"Run the Rock 2020," the name of the official organization, was filed on behalf of Johnson with the Federal Election Commission (FEC) on Sunday, according to FEC records.The paperwork was filed by a man named Kenton Tilford under a West Virginia address. Tilford's connection to Johnson and his motivation for filing the organization is not clear.

Johnson has long joked about a White House bid, playing a buff Obama on "Saturday Night Live" and standing in front of podium labeled "The Rock Johnson 2020" on the show in May. But he revealed earlier this year that his run is "a real possibility."

In an interview with GQ in May, he spoke about how he would take on Trump's policies, adding that he would like to see better leadership, responsibility and "poise" from the Oval Office.

The actor spoke at the Republican National Convention in 2000 and attended the Democratic National Convention the same year. He has said that he is registered as an Independent.