abstract:Colu is a fictional planet in DC Comics whose primary inhabitants are called the Coluans. Another name given for the planet was "Yod" (Hebrew for Iodine, like many other planets in the DC universe, it is named after a chemical element), which has appeared only once in comics,Adventure Comics #356 (May 1967) as was later pointed out in a letter by a fan.
It was able to obtain thousands of email addresses, including those apparently belonging to White House Chief of Staff Rahm Emanuel, New York Mayor Michael Bloomberg and U.S. Air Force Col.