I think the game may be
although there is one thing that doesn't seem quite right if so.
This blockbuster game was devised around the year 1980
Released in 1981.
by a person, that had never before developed a video game.
Shigeru Miyamoto ... but he had developed, or at least worked on, one game before Donkey Kong. It was called "Radar Scope" and it was commercially unsuccessful.
Concerning the species, that makes the protagonist, the game's title is misleading.
No one involved is a donkey.
It is unknown if the main character likes spinach, against the original planning of the developers.
Donkey Kong was originally conceived as a sort of parallel to Popeye: (Mario, girl, gorilla) : (Popeye, Olive Oyl, Bluto).