He spent his early childhood on a small island (Alameda, California) in San Francisco Bay.
At 12 years old, Peregoy's family returned to Los Angeles, where he enrolled in Chouinard Art Institute's life drawing classes.
Peregoy and Earle's work on Paul Bunyan (1958) was nominated for an Academy Award in the short category.
He returned to Disney (WED Enterprises in 1977 through 1983), contributing his unique view to the design of Epcot Center in Florida, where his influence included architectural facades, sculptures, fountains, show rides, and murals for The Land and "Imagination!"
In the last years of his life, he continued to draw and paint in the Los Angeles area right up to his death on January 16, 2015, at the age of 89.