Last Updated June 28th, 2023

Quiz: Which Big Bang Theory Character Are You? S12 Updated

Which Big Bang Theory Character Are You quiz

This Big Bang Theory quiz will reveal which TBBT character you are. Does your personality match Sheldon, Leonard, Penny, Howard, or else?

Hey there, fellow sitcom enthusiasts! Let’s chat about a show that had us all laughing and scratching our heads over scientific theories, shall we? The one and only – The Big Bang Theory. Early into the series, I found myself hooked, getting my daily dose of laughter from the misadventures of a group of nerdy friends. It was back in 2007 when the first episode aired, and boy, did it make an impression! The show successfully ran for 12 seasons, keeping us entertained with its unique blend of science, humor, and everyday life.

The storyline was a breath of fresh air. Who knew a mix of scientists and an aspiring actress living in Pasadena could create such delightful chaos? We were immersed in their world in an instant – from Sheldon’s ‘spot’ to Leonard’s hopeless romantic endeavors and Penny’s dream of making it big in Hollywood. If you need a deeper dive, head to this awesome Big Bang Theory fan page for some serious fandom!

The main characters and their personalities

Sheldon Cooper

Oh, Sheldon! This quirky theoretical physicist stole our hearts with his adherence to routine and his love for comic books. With his unique outlook on life and his tendency to take things too literally, Sheldon’s character often leads to hilarious situations. It’s no wonder he has been classified as an INTJ in the Myers-Briggs Type Indicator, known for their analytical abilities and commitment to logic.

Leonard Hofstadter

The experimental physicist Leonard is the perfect counterpoint to Sheldon’s eccentricity. He’s a bit more grounded, sensitive and often finds himself being the social glue among his friends. His constant pursuit of love and how he handles his complex relationship with Sheldon makes him relatable. His MBTI type is INTP, marked by their creativity and theoretical nature.


Penny, the charming next-door neighbor, adds the necessary contrast to this gang of nerds. She’s an ESFP – spontaneous, outgoing, and lively. An aspiring actress turned pharmaceutical sales rep, her street-smart attitude and social skills balance out the group’s dynamics.

Howard Wolowitz

Howard, the aerospace engineer, is quite the character with his colorful wardrobe and unique pick-up lines. His MBTI is ESTP – outgoing, observant, and pragmatic. His transition from a creepy, overconfident bachelor to a loving husband and father is heartwarming.

Rajesh Koothrappali

And finally, we have Raj, the lovable astrophysicist with selective mutism around women. His cultural references and struggles with loneliness make him incredibly endearing. His MBTI type is ISFP – quiet, friendly, and sensitive.

Character MBTI
Sheldon Cooper INTJ
Leonard Hofstadter INTP
Penny ESFP
Howard Wolowitz ESTP
Rajesh Koothrappali ISFP

Some amazing facts

The show’s theme song was recorded by Barenaked Ladies

Did you know that the catchy intro theme was a creation by the Canadian rock band Barenaked Ladies? The song wonderfully encapsulates the evolution of the universe and life, aligning with the scientific theme of the show.

Sheldon’s catchphrase ‘Bazinga’ was a writer’s room joke

“Bazinga!” – Sheldon’s famous catchphrase – initially started as a writer’s room joke. It soon became an integral part of Sheldon’s character, symbolizing his quirky humor and unique personality.

The staircase scenes were filmed on one staircase

Those endless staircase scenes were all filmed on the same staircase set! The crew would change the decorations on the door to make it seem like different floors. Talk about intelligent set utilization!

The character ‘Amy’ was initially supposed to be a one-off

Amy Farrah Fowler, Sheldon’s significant other, was initially planned to be a one-off character. However, her chemistry with Sheldon was undeniable, and she became a regular character, eventually marrying Sheldon.

So, which Big Bang Theory character are you?

Alright, folks! Now that we’ve journeyed through the world of The Big Bang Theory together, it’s time for the big question – “Which Big Bang Theory character are you?” Are you more of a Sheldon Cooper or a Leonard Hofstadter? Or may Penny’s charm resonate with you? It’s time to delve deeper into your “Big Bang Theory personality” and find your Big Bang Theory alter ego!

Just like how we find ourselves relating to characters from Friends or The Office, it’s time to dive into the world of The Big Bang Theory. So, let’s get quizzing!


Just a friendly reminder, folks! QuizExpo doesn’t own the images used in the quiz. They’re the property of their respective owners. So, let’s respect the creative minds behind them while we enjoy this fun, character-revealing journey! Happy quizzing!

How to Play?

Playing personality quizzes is straightforward: Choose the option that’s true about you—or you relate to—and select “Next.” Unlike trivia quizzes, personality tests have no right or wrong answers. But the questions are in forced-choice format. The point is to push you to choose an option that makes the most sense, not the one that’s 100% true. For the most accurate results, don’t overthink your responses. Go with options that you “feel” are the best.

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