The cause of death remains unclear.
A spokesperson for the musician could not be reached for comment.
Jalil Hutchins rounded out the pioneering trio, a contemporary of Grandmaster Flash known for their songs “Freaks Come Out At Night” and “Five Minutes of Funk.”
Fletcher was known for wearing a “Zorro” hat.
Their music was popular in the early 1980s and earned them one platinum and two gold albums, according to the outlet.
Whodini originated in Brooklyn, New York in 1982 and released their first single, “Magic’s Wand,” not long after. A self-titled debut album was released in 1983.
Whodini’s final album, “Six,” was released in 1996.