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The Kraang - are a corrupted Utrom organization, specifically created for the 2012 animated series. The Kraang are a hostile alien race and one of the main antagonists of the 2012 Ninja Turtles series. Mainly the majority of Kraang are members of the Kraang Hive Mind. A smaller part that didn't join the Kraang belong to a peaceful group the Utrom Tribe.