Alphabetically, they are:
|William "Clay" Brister|
Those three are about half of who we expect to announce. PawPaw isn't making any endorsements yet. All three of these are good men, and we have yet to see any platforms.
In the next month or so, this should start to get interesting. The primary election is on October 12, 2019, so we have the whole summer, and I"m certain that at least two other candidates will ammounce in the coming weeks.