Sylvester daCunha, the creator of the Amul brand campaign featuring its iconic 'Amul girl' mascot, passed away in Mumbai. "Along with the legendary Verghese Kurien, it was Sylvester daCunha who had initiated our iconic topical campaign in 1966, which is one of longest continuously running advertising campaigns in the world," Pavan Singh, General Manager-Marketing at Amul India, said.