WRONG! So Anakin Skywalker's real name is Darth Vader. That's news to his mother Shmi Skywalker
And Count Dooku's real name is Darth Tyranus. How did the Jedi Order let that get through
. Like all Sith lords, Palpatine's master (Hego Damask AKA Darth Plagueis) gave him the name Darth Sidious.