You can find a Knockout character that fits this pack here - https://assetstore.unity.com/packages/slug/289858
Or buy a bundle with character here -
https://assetstore.unity.com/packages/slug/310017
Update 1.1:
Best used for casual and hypercasual mobile games in Platformer, Knockout, King of the Hill genres like Stumble guys, Fall guys, Run royale, Gang fight, Knockout Race, Fall Dudes, Human Fall Flat etc...
Low poly and no textures on meshes for lowest size and highest optimization
Contains: