Why You Never Learned Penny's Last Name On The Big Bang Theory

The character of Penny wasn't in the original pitch for the sitcom The Big Bang Theory, but the original neighbor character was reworked into the Penny that fans know and love. We got to learn a lot about the character over the years, but there was one notable aspect of the character that was never revealed — her last name. Fans kept waiting for the reveal, and it simply never came. Her name became Hofstadter after she married Leonard, but fans are still left to guess at her maiden name. Let's take a look at why you never learned Penny's last name on The Big Bang Theory.