With a warm, not hot, damp cloth. You shouldn't need anything else, then just towel dry.
soap what do u clean yourself with Soap would dry out the leather.
pee on it more and role on it it should clean it up hahaha lol
Try water, and if that doesnt work .. leather cleaner .. if all else fails, try alcohol, but i do now know what that would do to the shoe.
Suede is usually cleaned with a stiff brush