A personality essay is a project that you can write by using another person’s personality. It can be something like an observation essay because you will talk about the character of another person. You can only do this if you will try to observe his way of life. However, there are also some instances when you can write a personality essay about yourself. Yes, you may be included as a subject for such an essay. This is a great thing because you can simply write about yourself and present your personality to the readers.