I need character models for my game

I need models for my game. its a medieval mini war game, I need many character models and each to have 4 upgraded versions of itself. I have reference images. I need them to be rigged. the style is simple. I am offering 20USD per set of 4. they are really simple models.

I am animating the models myself. you need decent skills with modelling characters, I need the first batch of 4 variants done within a week