West Bengal Chief Minister Mamata Banerjee has been named by Time magazine as one of the 100 most influential people of the world. According to the magazine, Mamata Banerjee joins a club of people who inspire, entertain, challenge and change the world. A list that includes US President Barack Obama, billionaire investor Warren Buffet, Pakistan's first Oscar winner Sharmeen Obaid Chinoy Secretary of State Hillary Clinton and Facebook COO Sheryl Sandberg. Time said Banerjee, referred to by her supporters as Didi, was labelled by critics as a mercurial oddball and a shrieking street fighter. But ultimately she proved to be the consummate politician. Through successive elections, Banerjee steadily expanded her power base while chipping away at those of her opponents. the magazine, which released its 2012 list of the 100 Most influential people in the world today, said.