https://wccftech.com/dragon-ball-z-kakarot-debug-menu-unlocks-playable-whis-beerus/

Dragon Ball Z: Kakarot comes with a debug menu that can be accessed on PC through a mod, allowing players to unlock some brand new playable characters.

The Debug Menu allows players to control Beerus and Whis from Dragon Ball Super, among other characters like Mira and a few others. The characters are clearly incomplete, as they do not come with a full moveset, but animations work well, so it is likely that they may be added to the game officially through DLC.