Will Byers Drawing Shadow Monster He appears to be the architect of the upside down s ecosystem or at least has power over it as every living thing that exists in the alternate dimension is connected to him

Stranger things will byers mike wheeler dustin lucas sinclair eleven jane hopper joyce byers bob newby jonathan byers nancy wheeler steve harrington maxine max mad max finn wolfhard millie bobby brown gaten matarazzo caleb mclaughlin noah schnapp