Jack Russell the ex singer of the Great White band has died after a fight with dementia his family revealed Thursday.

He was 63.

“Jack is loved and remembered for his sense of humor exceptional zest for life and unshakable contribution to rock and roll where his legacy will forever thrive. His family asks for privacy at this time.”Instagram post on his page revealed

Russell’s family add he died in the company of his wife cousin, son and two close friends.

Russell a California native start singing in bands in high school and in 1981 joined Great Which which was first name Dante Fox.

He stayed with band for 15 years before dividing path for a time period to record his first single album.

Great White had multiple Billboard charting songs including “Once Bitten Twice Shy” “The Angel Song” and “Rock Me”

Russell stopped touring past month after revealing he had been diagnosed with Lewy Body Dementia and Multiple System Atrophy which cause loss of coordination and balance and changes in speech.

In 2003 a band shows in Rhode Island a pyrotechnic malfunction sparked one of deadliest nightclub fires in history in which 100 person died including band guitarist and 230 were suffered major  and minor injuries.

He rejoined the band in 1999 before the band divide in 2001.

He finally revamped the band in 2002 under the name “Jack Russell’s Great White”

“Just heard of the passing of our good friend Jack Russell.” add Fred Coury.

“So sad Jack and I had a lot of great adventures through the years on and off of the ocean. The world lost 1 of the nicest guys in the business & 1 of the great voices to sail across the airways of the 80. RIP Captain.”