Living presidents of the United States of presidents alive at each moment in United States history: Living presidents as of ("from oldest to youngest"): There have been four time periods with six living presidents, the incumbent and five former presidents: There have been six time periods when the incumbent president was the only living president, having no living predecessors: Notably, Richard Nixon is the only person to have been both the only living U.S. president (from January 1973 to August 1974) and one of six living presidents (from January 1993 to April 1994). There have been several gatherings of all the living presidents. Below are photographs
The X-Presidents "X-Men". Their wives are also members of a similar group, "The X-First Ladies", with more flamboyant powers. In the episode "Nixon," Richard Nixon and his dog Checkers are resurrected to aid the group. As of 2018, Ford, Reagan and Bush have become "Ex-X-Presidents" since their deaths, leaving Carter as the only remaining member of the original team. Presidents Bill Clinton, George W. Bush and Barack Obama attempted to join the group after leaving office but were hindered by their lack of superpowers. The cartoons end with the X-Presidents singing a song that recounts the episode's message. "The Ambiguously Gay Duo",