Here are 10 of his most undiplomatic remarks from before and after his landslide election victory this year.
Plans for a bilateral meeting were shelved after Duterte tore into Obama with an obscenity on Monday
Tagalog is just one of many languages in the Philippines; there are as many as 175 dialects spoken.
His secret to vitality, he told Khaleej Times, "is to always have an ever-gracious smile and a strong sense of humour".
Dubai expat Rochelle Mae Sanchez Cervantes, 23, an account executive, told Khaleej Times that Richards was her classmate from high school.
Inspired by Malay, Chinese, Spanish, Japanese, American and even Indian cuisines, the Philippine culinary arts serves up a diverse mix of flavour and creativity, springing some pleasant surprises.
Think you know everything about kabayans? We give you the lowdown on what's popular in the 700,000-strong Filipino community in UAE.
> Maricar Gonzales > Age: 23 > Profession: Receptionist> Nationality: Filipina