With the development starting slow, I went back to research. Given a slight push in direction of simplistic design looking for the cute element in each charcters design. I proceeded to research horror characters in cute forms. On the other hand looking towards the period of the these Universals Horror Characters and seeing what the toys of this period would look like to try and help with me developing these new characters.
Toys from the Unviersal Period (1930)
Cosbaby - The Cute-ification of Dark Characters and Un-cute Personas
For added influence: A look at the Original Universal Monster