Yes, Rudolph the Red-Nosed Reindeer is a copyrighted work by Robert L. May and Johnny Marks. It was first published in 1939 as a storybook, and it has since become a beloved holiday classic. The story was adapted into a stop-motion animation television special in 1964 and a live-action film in 2009. The characters, setting, and story of Rudolph the Red-Nosed Reindeer are protected by copyright laws, which means that they cannot be used or adapted without permission from the copyright holders.