 Many times, international agencies like United Nations also appoint ambassadors to achieve the objectives of a particular mission, like the appointment of Goodwill ambassador Bollywood film actress Priyanka Chopra by UNICEF.Japan adopted the cartoon character Hello Kitty as their official goodwill tourism ambassador to China and Hong Kong in 2008.According to Brain, the job of a brand ambassador was undertaken typically by a celebrity or someone of a well-known presence, who was often voluntary or paid considerably for their time and effort.