If someone can define themselves by their clothes, toothbrush or whatever, then some marketing guy is going to make a living meeting there needs. So let's say you can't seem to define yourself in your high school, for example. You're not the smartest. You're not the tallest or the cutest or the fastest. Unlike Disney, I don't have some cheap little quip to make it all better.
Life is a tough thing.
That is disheartening. So you are certainly not the most creative. My guess is no. Let's take a decidedly positive approach. Each person has a great potential to actively contribute to their environment.