Michael Sullivan, born Ivanilton de Souza Lima (March 9, 1950 in Recife, Brazil), is a Brazilian singer-songwriter, lyricist and guitarist. A composer, singer, musician, and producer, Michael Sullivan is considered the most prolific and successful Brazilian songwriter of all time, with more than 2000 recorded songs by Brazilian, Hispanic and Global artists, released in 60 markets in Latin and North Americas, Europe, Asia and Middle East regions.