High Quality Content by WIKIPEDIA articles! A virtual Easter egg is an intentional hidden message, in-joke or feature in an object such as a movie, book, CD, DVD, computer program, web page or video game. The term was coined according to Warren Robinett by Atari after they were pointed to the secret message left by Robinett in the game Adventure. It draws a parallel with the custom of the Easter egg hunt observed in many Western nations as well as the last Russian imperial family's tradition of giving elaborately jeweled egg-shaped creations by Carl Fabergé which contained hidden surprises. This practice is similar in some respects to hidden signature motifs such as Diego Rivera including himself in his murals, Alfred Hitchcock's legendary cameo appearances, and various "Hidden Mickeys" that can be found throughout the various Disney Parks. An early example of this kind of "Easter egg" is Al Hirschfeld's "Nina". Atari's Adventure, released in 1979, contained what was thought to be the first video game "Easter egg", the name of the programmer (Warren Robinett).