Wikipedia
Zaheer
Zaheer is a major recurring character in Nickelodeon's animated television series The Legend of Korra (a sequel to Avatar: The Last Airbender). While he serves as the main antagonist of Book Three: Change, his actions have lingering effects on Avatar Korra and the series' plot in the following book. The character was created by Michael Dante DiMartino and Bryan Konietzko and is voiced by Henry Rollins.