Mayor Tortoise John (real name: Marlon Carlton Lynch) is the hidden true main antagonist of the 2011 Nickelodeon film, Rango. He is the wheelchair-bound tortoise mayor of Dirt, where there was a major water shortage. He also has Rattlesnake Jake as his enforcer, and Bad Bill as his servant. He was voiced by Ned Beatty who also played Charles Meachum, Lots-O' Huggin' Bear, and Otis.