miserabilist

miserablist (ˈmɪzərəblɪst, ˈmɪzrə-)

noun

a person who appears to enjoy being depressed, esp a performer of or listener to gloomy music

adjective

of, resembling, or likely to be enjoyed by a miserabilist or miserabilists

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012