Before he was moved, the First Family’s pooch, Commander, earned a naughty reputation for going to town on Secret Service members like they were human chew toys. And according to a new New York Post report, President Joe Biden was present when his notoriously troublemaking German shepherd attacked in three separate instances. In one documented nip on Sept. 12, 2023, Commander punctured holes in a Secret Service member’s suit while Biden was walking him in the Kennedy Garden along the South Lawn of the White House, according to The Post. Want more breaking political news? Click for the latest h…