Rocky Dennis Bio, Age, Diagnosis, Death, Family, Net Worth

Quick Facts of Rocky Dennis

Net WorthNot Known
SalaryNot Known
HeightNot Known
Date of Birth4 December, 1962

Rocky Dennis was a boy from America who suffered from a rare sclerotic bone disease called “Craniodiaphyseal Dysplasia”. He died at the age of 16.

In 1985, Peter Bogdanovich directed the movie named “Mask” which was based on the life story of Rocky Dennis.

What happened to Rocky’s mother?

Rocky’s mother Florence Tullis died due to a motorcycle accident on November 2006.

Rocky Dennis’s Bio, Age

Rocky Dennis was born Roy L. Dennis on December 4, 1962, in Glendora, California, America. He died on October 4, 1978, 16 due to Craniodiaphyseal Dysplasia. His zodiac sign was Sagittarius.

His father’s name was Roy Dennis and his mother’s name was Florence Tullis. He had one sibling named Joshua Dennis. His mother Florence was a very supportive person. She also supported her elder son Joshua Dennis, who came out as homosexual. Sadly Joshua died of AIDS in 1987.


Florence Tullis died at the age of 70 years from an infection following a motorcycle accident on November 2006.


When Rocky Dennis was born, his nose bridge was not formed. His head started to grow faster, which left his mother in a panic. When Rocky was 18 months old, an X-ray technician saw a slight cranial anomaly and later, confirmed that it was a Craniodiaphyseal dysplasia.

It is a rare disease that results in an excessive increase of calcium in the skull. Rocky was diagnosed for the first time when he was 4 years old. Doctors had also predicted that his head will grow twice than that of normal people.

His eyes also started to move towards the edge of his head which reduced his ability to see and hear.

Is the Mask a true story?

The movie “Mask” is based on the life story of Rocky Dennis. It was directed by the famous director Peter Bogdanovich.


Rocky moved to Covina, California along with his family where he attended school. He had to stop reading because of his poor eyesight and frequent headaches. He took 2 years to complete his 1st grade.

Once, his mother took him to Hacienda Resort Hotel where people laughed at him. His mother also took Rocky to a plastic surgeon to make him look normal. In September 1978, Rocky was forced to use a wheelchair after increasing headaches. He was kept in hospital but he wanted to die at home.

Later, on October 4, 1978, he passed away. His body was donated to the UCLA genetics research center.

Media Portrayal

In 1985, a famous director Peter Bogdanovich made a movie named “Mask” which was based on the life story of Rocky Dennis. An actor Eric Stoltz played the role of Dennis and Cher played the role of Rocky’s mother.

The screenplay of the movie was also adapted into a stage musical in 2008. The movie contains the voice-over of Dennis himself and it has also featured the poem which was written by Rocky Dennis for his English class.

How did Rocky Dennis get his disease?

Rocky Dennis was born with a rare bone disease called “Craniodoaphyseal Dysplasia”.

Was Rocky Dennis married?

Rocky Dennis died at the age of 16. He spent his whole life with the support of his mother Florence Tullis. He was not married and hadn’t dated anyone.

What is the Net Worth of Rocky Dennis?

There is no information regarding Rocky’s net worth.

Also Read: Top 10 Richest People in the world with full biography and details.