Rafiqun Nabi, better known as Ranabi, is a Bangladeshi artist and cartoonist. He is best known for creating Tokai, a character symbolizing the poor street boys of Dhaka who lives on picking things from dustbins or begging and having a knack of telling simple yet painful truths about current political and socio-economic situation of the country. He was awarded Ekushey Padak in 1993 by the government of Bangladesh.

Tokai, transliterated as Tokaii, is the longest survived cartoon character of Bangladesh, is a creation of Rafiqun Nabi or Ronobi, as he is widely known. Tokai, a street urchin of age below ten, is not only a character, it is a phenomenon in Bangladesh, acting as a witty outlet of the feelings of the people about current political and socio-economic condition of the nation. In fact the word tokai has become the colloquial synonym for street kids or dumpster divers in Bangladesh. Having bald head and pot-belly, Tokai became a national asset of Bangladesh. People love Tokai because he reflects their own thoughts in a simple yet witty manner. Tokai, who represents the most deprived people in the society, is the most loved cartoon character in Bangladesh.