Brooks Brothers. According to relevant public information, the brand of the tree on the elephant is Brooks Brothers. Brooks Brothers is a men's clothing brand with a history dating back to 1818. Since its birth in 1818, Brooks Brothers has provided clothing for 40 U.S. presidents, including Lincoln, Roosevelt, Nixon, Kennedy, Bush, Clinton, Obama and Trump. In July 2020, Brooks Brothers filed for bankruptcy and sought protection from creditors in the court.