American boy with craniodiaphyseal dysplasia (1961–1978)
Roy Lee "Rocky" Dennis (December 4, 1961 – October 4, 1978) was an American teenager who had craniodiaphyseal dysplasia, an extremely rare sclerotic bone disorder. The condition usually results in neurological disorders and death during childhood or teenage years. His life was the basis for the 1985 drama film Mask. Early life and diagnosis. Rocky Dennis was born in Glendora, California, to Florence "Rusty" Tullis and Roy Dennis in 1961. When he was very young, Dennis frequently had ear and sinus infections.
https://en.wikipedia.org/wiki/Roy_L._Dennis