It is sometimes humorous, but it can also be serious, even tragic. For the time being, no formal heading is necessary. Just type your name and student ID number in the text boxes and press submit when you are done. It should by description and narration give a clear indication of a person's character. It is sometimes used to make moral or ethical points, or as an example.
Parables are common in the holy scriptures of many religions.
There is a formula to writing the anecdote. The first sentence should be an attention grabbing statement. You want to create enough suspense to make your reader want to continue. Now tell your story. Use good action sentences.