There is at least three artists called "Nighthawk".
1) NiGHtHawK is aka Roger Haskins. Originally from Hamilton ON, he moved to Vancouver BC, in 1996, to embark on a journey he never knew he would take.
2) A stoner rock band from Padang, Indonesia
3) There is also the Swedish tracker musician Nighthawk.
4) A Brazilian underground black metal band.