The FINAL character of "Homer's Night Out" is the gentleman conversing with Suzie's dad:

He opens his wallet and says "here's mine", but it is left unclear whether the "mine" he is referring to is his daughter or his wallet. Maybe he's just really proud of his wallet. Anyway he never shows up again.
This post is part of my "Every Simpsons Character Ever" series. For a list of my rules in this project, click here.