The Woodland Hills-based campus of the Motion Picture and Television Fund announced on Monday that Sullivan died from complications due to COVID-19.
Sullivan worked on other iconic Disney films, including ‘The Little Mermaid’.
The flu-like deadly virus originated in China in late 2019 and later spread to many other countries.
The World Health Organization (WHO) declared the virus a global pandemic.
The number of confirmed coronavirus cases across the globe now stands at 1,920,918, and a total of 119,686 people have died from the virus, according to data collected by Johns Hopkins University.