Bank owner: If you want to start a bank account, I need your name.
Guy: Robin
Bank owner: Your last name?
Guy: Debank
Bank owner: Robin Debank?
Guy: Put your hands up and give me all the money!
Bank owner: If you want to start a bank account, I need your name.
Guy: Robin
Bank owner: Your last name?
Guy: Debank
Bank owner: Robin Debank?
Guy: Put your hands up and give me all the money!
Okay, so listen up, smarty pants. The joke is that the dude's name sounds like "robbing the bank." Get it? It's funny because it's unexpected, and you are not!