Srila Vrndavana dasa Thakura was an incarnation of Vedavyasa and also a friendly cowherd boy named Kusumapida in krsna-lila. In other words, the author of Sri Caitanya-bhagavata, Srila Vrndavana dasa Thakura, the son of Srivasa Thakura's niece Narayani, was a combined incarnation of Vedavyasa and the cowherd boy Kusumapida. There is a descriptive statement by Srila Bhaktisiddhanta Sarasvati Thakura in his commentary on Sri Caitanya-bhagavata giving the biographical details of the life of Vrndavana dasa Thakura.