I honestly have a lot of trouble with this. Even as old as I am and as much as I create, find myself always thinking "this has been done"
Just do it anyway, it'll be different, promise
Hey. What's the fuss about?
So what if their creation looks like yours? It can walk and talk like yours, and maybe even sound like yours.
But your experiences are not theirs. Your connections and the way you go about them, are not theirs.
What you've made is unique.
Let it shine.