To explain further, in original development, Vamp was female and the concept art contained sketches of that. The Penguin suit was also in the concept art for the game.
For the penguin and seagull, they're a reference to the first game Kojima worked on, Penguin Adventure.
Vinebooru
Comments
For the penguin and seagull, they're a reference to the first game Kojima worked on, Penguin Adventure.