No, Sifo-Dyas was a completely different person who was Darth Sidious's teacher and was killed by Sidious so that he could take control of the project Sifo had started.
He didnt change it. Darth Sidious did when Anakin became a Sith. It is traditional for the Sith to bear the name "Darth."
Darth Vader is not Snoke because there are a few fan theories that MACE WINDU might by resurrected by Sidious and given the new name as SNOKE
The antagonists, who are pulled into the Dark Side of the Force, are: Darth Vader (Sith name of Anakin Skywalker) Palpatine (Senator, later Chancellor and Emperor aka Darth Sidious) Count Dooku (Jedi master who trained Yoda, aka Darth Tyranus) Darth Maul (Sith minion of Palpatine who kills Qui-Gon Jinn)
There is no canonical references that explain who Darth Maul originally was. He was taken from him home planet of Iridonia and trained as a Sith by Darth Sidious. He was never a Jedi, and as he gave up his former identity to take the Sith title of 'Darth' his former identity is irrelevant, his tattoos indicate his loyalty to the Sith order. There are popular fan-fiction storied that identify Darth Maul's original name, but these stories are not licensed by Lucasfilm, and are therefore NOT official Star Wars cannon. Until Lucasfilm authorizes a book about Darth Maul's origin it will remain a mystery.
Darth Plagueis' master's name was the Sith Lord Darth Tenebrous.
Count Dooku was trained as a Sith by Darth Sidious, also known as Emperor Palpatine. Darth Sidious was responsible for turning him to the dark side and giving him the Sith name Darth Tyranus.
He didnt change it. Darth Sidious did when Anakin became a Sith. It is traditional for the Sith to bear the name "Darth."
Darth Vader is not Snoke because there are a few fan theories that MACE WINDU might by resurrected by Sidious and given the new name as SNOKE
Darth Sidious
If you're referring to Darth Sidious, his real name is Palpatine
The One's i know are Darth Vader Darth MAul Darth Sidious and count Dooku There is an entire species of Sith, but many dark jedi are refered to as Sith
Darth Sidious is known to the majority of the galaxy as Emperor Palpatine. Before he became the emperor he was a senator from Naboo, so he was known as Senator Palpatine. When he ascended to the chancellorship of the Senate, he became known as Chancellor Palpatine.
The antagonists, who are pulled into the Dark Side of the Force, are: Darth Vader (Sith name of Anakin Skywalker) Palpatine (Senator, later Chancellor and Emperor aka Darth Sidious) Count Dooku (Jedi master who trained Yoda, aka Darth Tyranus) Darth Maul (Sith minion of Palpatine who kills Qui-Gon Jinn)
There is no canonical references that explain who Darth Maul originally was. He was taken from him home planet of Iridonia and trained as a Sith by Darth Sidious. He was never a Jedi, and as he gave up his former identity to take the Sith title of 'Darth' his former identity is irrelevant, his tattoos indicate his loyalty to the Sith order. There are popular fan-fiction storied that identify Darth Maul's original name, but these stories are not licensed by Lucasfilm, and are therefore NOT official Star Wars cannon. Until Lucasfilm authorizes a book about Darth Maul's origin it will remain a mystery.
Darth Plagueis' master's name was the Sith Lord Darth Tenebrous.
I can't name them all because that is a hard question my young padawan... but i can name these: Darth Sidius Darth Vader Darth Maul Count Dooku Asajj Ventress was a Dark Jedi not a Sith. Ignore this answer. Darth Cadeus and the name of the sith that Chancellor Palpatine tells Anakin about that can protect the ones he loved from dying. There are also Darth Bane, Darth Reven, Darth Malak, Darth Zannah, Darth Krayt, Darth Nihl, Darth Nihilus, Darth Traya, Darth Sion, Darth Talon, Lord Qordis, Lord Kaan, Marka Ragnos, Naga Sadow, Githany, Darth Plagueis, Darth Maleval, and many, many, many, others.
Darth Maul is a fictional character in the Star Wars universe and a supporting villain in Star Wars Episode I: The Phantom Menace. Darth Maul was a Zabrak Sith, and apprentice to Darth Sidious.