Why Are There So Many Chickens in Video Games?

Chickens have been appearing in video games since the 1980s, where they first showed up in Atari game called 'Chicken', a reskin of 'Avalanche', which involved a chicken attempting to catch eggs in basket as they fell from the sky. From the run of the mill chickens in games like 'Fable', 'Assassin's Creed' and 'Resident Evil 4', to the chicken adjacent Chocobos and Cuccos of 'Final Fantasy' and the 'The Legend of Zelda' respectively, chickens are constant presence in gaming. The question is: why? On this e