Facts: - instrument: vocals - years active: 1995 -- present - genre: noise noisecore , alternative metal rock , sludge metal , nu metal , - birth date: 25 december 1972 - name: grady avenell - background: solo_singer - label: bieler bros. records - birth place: california - associated acts: will haven - occupation: musician , singer-songwriter Based on these bullet points, write a short biography describing the life of grady avenell .
A:
grady avenell -lrb- born on december 25 , 1972 -rrb- is a us musician .he is the singer for hardcore-metal band will haven .avenell was born in california .he is notable for his intense vocal style , consisting mainly of screaming .he formed will haven in 1995 with members of the band sock , releasing three albums -lrb- '' el diablo '' , '' whvn '' and the acclaimed '' carpe diem '' -rrb- before leaving the band in 2002 , wishing to look after his family and attend college .he returned to the group in 2005 , although missed some shows in glasgow and newport in january 2006 , with his position filled by various artists such as simon neil of biffy clyro , craig b of aereogramme and mikey demus of skindred .he again departed in 2007 before recording for '' the heirophant '' took place , before returning again in 2009 to record on 2011s '' voir dire '' .he has appeared on all will haven releases except for 2007 's '' the heirophant '' , although he did contribute to the songwriting process .