Last obit for the day -- I promise.

Mark O'Donnell, left, died at age 58. He and his twin brother, Steve, right, were particularly talented. Mark:

...won a Tony Award in 2003 as co-author of the book for the Broadway musical “Hairspray” and was nominated for another in 2008 for “Cry-Baby.” 

While Steve:

...has been the head writer for both David Letterman and Jimmy Kimmel.