According to the All Access story I linked below, he's leaving to look for a morning position somewhere. His quote was "...Looking ideally to explore mornings." Contact info and more are at All Access.
So the original NOW lineup is all gone with the departure of Chunky. Original lineup consisted of Lisa Paige, Tictak, Chunky and Buster... who have all left for other radio ventures.
Current lineup consists of:
Mornings: Lil Cee & Sarah Lee
Afternoons: Micki Gamez
Nights: [now vacant]
Late Nights: DJ Toro or other jocks/weekendershttp://www.allaccess.com/net-news/archive/story/106894/chunky-exits-nights-at-wxrk