"I was walking in the park and this guy waved at me. Then he said, 'I'm sorry, I thought you were someone else.' I said, 'I am.'"

This quote by Demetri Martin is a humorous take on the concept of mistaken identity. It indicates that the speaker is so typical that they might be misinterpreted for anyone else. The speaker's reaction to the male's apology is likewise amusing, as they are basically saying that they are indeed someone else. This quote is an easy going method of poking fun at the concept of being so normal that a person might be mistaken for anybody else. It likewise speaks to the concept of how all of us have a tendency to make presumptions about people based upon their appearance. The speaker's response is a smart method of mentioning that we should not make assumptions about individuals based upon their looks.