Penny was already charming in Season 1 of The Big Bang Theory, but she grew into one of the best comedic characters on television throughout the series. Penny is the only prominent cast member whose surname has never been disclosed, despite being a series regular for all twelve seasons of The Big Bang Theory. She was the first female lead, and people loved her right away. But that’s not to say she wasn’t popular or well-written. She was witty and sweet, and viewers could see why Leonard fell in love with her when he saw her. Penny and Leonard eventually became a couple after first opposing the idea, but that wasn’t the only shift Penny experienced over the years.

Her Wardrobe

Penny’s clothing in Season 1 reflected both her young age and the period in which the season was set. Because The Big Bang Theory premiered in 2007, several of the characters’ dress choices may appear outmoded in today’s society.

Her Maturity

Penny had a massive hit with fans from the minute she initially debuted on their televisions. She was tolerant and kind to Leonard, Sheldon, Raj, and Howard. However, towards the start of the series, she appeared ignorant and emotionally immature. Penny originally made some questionable life choices, but for the 12 seasons, she realized that she could still have a meaningful and affirming life with her friends, her relationship with Leonard, and her job.

Her Career

Penny’s primary profession was acting throughout the first seven seasons of the science sitcom. Penny didn’t get many significant jobs, so she had to work as a waitress at The Cheesecake Factory to make ends meet. Her acting career had so many sad moments that it was difficult to watch.

Her Relationship With Leonard

Without Leonard and Penny’s incredible connection, The Big Bang Theory would not be where it is now. They were the show’s core coupling for the first five seasons, with their will they/won’t they dynamic arguably rivaling Ross and Rachel’s. Penny and Leonard’s initial troubles stemmed from the fact that they were both insecure. They finally got back together after spending more time as just friends, which led to them being married and having a child.

Her Friendship With Amy And Bernadette

Penny didn’t have many girlfriends in the show’s first few seasons. Penny primarily hung out with the boys at dinner or work, and when she did have fun without them, she hung out with random ladies that viewers had never met.

Her Friendship With Sheldon

Penny and Sheldon’s friendship was the embodiment of a slow burn.’ They frequently frustrated and upset each other in the early seasons, with Sheldon mocking Penny’s intelligence and Penny condemning Sheldon for his lack of social skills.

Her Wisdom

Penny has very socially gifted, despite her lack of academic intelligence (for the most part). The leading group of (male) scientists was brilliant, but they lacked social skills.

Her Self-Esteem

Penny pretended to be confident at first, but she had more layers of uncertainty and insecurity than she let on. Penny had a habit of making bad relationship decisions (good riddance, Kurt). When she eventually found happiness with Leonard. She has uneasy with how smart he was compared to her.

Her Willingness To Learn

Despite her apparent academic deficiencies, Penny was one of the most intelligent characters on the show. On the other hand, Leonard’s intelligence always seemed to eclipse her. Penny has humiliated and enraged when he insultingly recommended that she attend community classes in Season 2.

Her Family

Penny’s Family For the most of The Big Bang Theory’s existence, Penny’s father was the only member of her Family who appeared onscreen. Penny’s mother and brother first appeared in Season 1, when it was clear that she was closest to her father.