Super Bowser 64 is a hypothetical or fan-made game. Since there is no official game with this title, its gameplay and history depend entirely on fan projects or imagined concepts.  It is likely inspired by the Super Mario 64 series, imagining Bowser as the protagonist in similar 3D platforming adventures.   Information regarding developers or publishers is irrelevant given that it's not a commercially released title.

Super Bowser 64

Super Beatrice 64