Dutch singer-songwriter and entertainer, born October 16, 1939 in Delft, Zuid-Holland, died November 13, 1990 in Baarn, Utrecht. He is father of Kees Haak.

Before Nico became an artist he worked as a car mechanic together with his brother. He would entertain his customers by singing songs and performing dance moves. He was discovered by a local, who advised him to perform and write songs of his own.