Mailman vs. Dog is an animated short made by Jorge R. Gutierrez. In Season 2 the characters are used in the theme song
Transcript Act 1[]
Alan: I don't care what you say, I'm not coming in.
Dog: For the millionth time, I won't bite you. I just want the mail.
Alan: Just...say you promise you'll won't bite me.
Dog: I promise I won't bite you.
(POW!)
Dog: Idiot.
Transcript Act 2[]
Alan: Ooh, a package. Who's it from?
Postman: Uh, Mr. Frank Retriever.
Alan: Frank Retriever? Hmm....
(POW!)
Dog: Frank Retriever. Really? You so deserve this.
Transcript Act 3[]
Dog: First off, I wanna thank you for coming. Between losing my ball then this diet got me down. Well, I haven't been myself lately and I hope you accept this as my apology.
Alan: A new mail bag?
Dog: And I have your monograph. See? MM.
Alan: My name is Alan.
Dog: Really? This whole time I thought it was mailman.
Alan: Thanks.
Dog: The least I can do for you. Well, if you excuse me, I'll hit the hydrant.
Waiter: Hmm, special dessert for the gentleman.
Alan: I didn't order any-
(POW!)
Dog: Haha, I knew your name was Alan!