Thrawn

Grand Admiral Thrawn is a character who is set to appear in the third season of Star Wars Rebels. He is a Grand Admiral who serves the Galactic Empire.

Trivia

 * Grand Admiral Thrawn was originally a character from the Star Wars "Legends" continuity and was created by Timothy Zahn, but the character proved so popular that he was introduced into the current Star Wars canon Expanded Universe.
 * Timothy Zahn, who created the character, approved of both Thrawn's inclusion into Star Wars Rebels and is currently writing a book entitled "Thrawn", to expand upon his inclusion into the series and new canon timeline.
 * Lars Mikkelson, Thrawn's voice actor, is the brother of Mads Mikkelson, who plays Galen Erso in Rogue One: A Star Wars Story.