The Big Bang Theory


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Wyatt is the father of Penny, Randall and another daughter and the husband of Susan. He first appeared in "The Boyfriend Complexity".

Character Information

Wyatt is a very caring, friendly and fatherly person, who wants Penny to make both good decisions, but also to make his little girl happy. Penny mentioned her father at least twice before he appeared on the show.

According to Penny in "The Maternal Capacitance" (S2E15), Wyatt originally wanted a boy, but got her instead. He called her "slugger" until she got her first training bra, at which point he also stopped playing catch with her.

In "The Maternal Congruence" (S3E11), Penny mentions that Wyatt sent her a catcher's glove and a baseball for Christmas. When he learned that Penny was seeing Leonard, he was overjoyed, having met her moron ex-boyfriends. He was actually devastated at learning that they had broken up.

In "The Boyfriend Complexity" (S4E09), Wyatt is first seen in person. He comes to visit Penny, who claims, in order to get him off her back, that she and Leonard have got back together. As the episode progresses, the two carry on the ruse until Penny admits the truth to him. He is at first hurt that she felt a need to lie to him, but forgives her. When she is gone, Wyatt literally begs Leonard not to give up on her, as he is the best boyfriend she's ever had. He pretends to angrily throw Leonard out of the apartment as reverse psychology to get Penny's interest in him up. Leonard leaves, telling Wyatt that he will Friend him on Facebook.

In "The Hesitation Ramification" (S7E12), Penny has a phone call with her father after it is found that her role in "NCIS" is cut when aired. Penny tells Wyatt that her part wasn't cut because she was too pretty. He also doesn't need to come to Los Angeles to kick Mark Harmon's ass. Wyatt does not appear on screen in this episode, nor is he heard.

In "The Bachelor Party Corrosion", Penny calls her dad to tell him that she got married to Leonard. First he asks if she is happy, which she is. He is a bit perturbed since she waited a week to tell him, but is understanding and supportive; however, this may be because having a secret of his own, having accidentally ran over her pet pig, Moondance - almost a year ago. 

In "The Conjugal Conjecture", Wyatt comes to Pasadena with his wife Susan and their son Randall for Leonard and Penny's wedding. He tries to balance the tension between his wife and son who is on parole. He has a close relationship with Penny, but his wife thinks he isn't strick enough with Randall. At the wedding ceremony, Wyatt proudly escorts Penny down the aisle and advices Leonard not to lend Randall any money.

Wyatt yelling at the couple.



Wyatt loves his daughter a lot, but Penny had some issues with him when she was growing up since he was raising her like a boy and calling her "Slugger".


Wyatt and Susan are obviously happily married and so they are a good couple. Although during Susan's first appearance, things are a bit tense between them about Randall's drug actions and his ending up in jail.

Penny's Siblings

Wyatt's relationship with his two other children, Penny's brother Randall and their sister is not known but it's obvious he loves them very much. He may not have been strict enough with his son that ended up in prison. His other daughter's water broke while they were dancing at her wedding.

Leonard Hofstadter

Wyatt is very fond of Leonard. He sees him as the first smart boyfriend Penny has dated. While all her other boyfriends are whom Wyatt considers to be losers, Leonard is seen by Wyatt as a friendly, caring person and a successful accomplished academic. He also pleads with Leonard to never give up on her. He was happy to hear that they got married and looked very proud escorting Penny down the aisle at their wedding redo.

The rest of the gang

Wyatt never met any of Penny and Leonard's friends yet who are members of the gang until "The Conjugal Conjecture" where he was with them at Leonard and Penny's re-wedding, but didn't speak to anyone. Although during the ride to the airport, Wyatt says that Sheldon reminds him of a turkey Penny and her family had who drowned looking up at the rain.


  • The first mention of Penny's father was in "The Maternal Capacitance", where she called him 'Bob'; however, his name was later changed to Wyatt.
  • Wyatt, along with Penny's last name is yet to be known, since Penny's maiden name has yet to be established.
  • He is one of four fathers of every main character who has physically appeared on the show: the others being Raj's father V. M. Koothrappali, Bernadette's father Mike Rostenkowski and Leonard's father Alfred Hofstadter (Sheldon's father is dead, Howard's left him at 11, Amy's hasn't been seen or mentioned yet, Stuart's is only mentioned, Leslie's hasn't been seen or mentioned and Emily's is only mentioned and possibly dead).
  • Wyatt's fondest wish became true in "The Gorilla Dissolution" when Leonard and Penny became engaged. Now his grandchildren will not "live in a house on wheels".
  • Wyatt still hasn't met Leslie, Emily or Claire.
  • Penny drinks more than Wyatt does.


v · e · d
Characters, Cast & Crew
Characters Main Leonard Hofstadter  ‧  Sheldon Cooper  ‧  Penny Hofstadter  ‧  Howard Wolowitz  ‧  Rajesh Koothrappali  ‧  Amy Farrah Fowler  ‧ 
Bernadette Rostenkowski-Wolowitz  ‧  Stuart Bloom  ‧  Emily Sweeney  ‧  Leslie Winkle    The Social Group
Recurring/Minor Debbie Wolowitz  ‧  Barry Kripke  ‧  Priya Koothrappali  ‧  Dr. V. M. Koothrappali  ‧  Mrs. Koothrappali  ‧  Lucy  ‧  Mary Cooper  ‧  Zack Johnson  ‧  Beverly Hofstadter  ‧  Mike Rostenkowski  ‧  Alex Jensen  ‧  Professor Proton  ‧  Althea  ‧  Cinnamon  ‧  Wyatt  ‧  Claire  ‧ Kurt  ‧  Eric Gablehauser  ‧  Mrs. Rostenkowski   ‧  Dimitri  ‧ David Underhill  ‧  Mrs. Fowler  ‧  Mike  ‧  Ramona Nowitzki  ‧  Kathy O'Brian   ‧  Venkatesh Koothrappali   ‧  Alfred Hofstadter   ‧  Mandy Chao   ‧  Missy Cooper   ‧  Josh Wolowitz  ‧  Elizabeth Plimpton   ‧  Jeanie   ‧  Abby  ‧  Martha  ‧  Lalita Gupta   ‧  Meemaw  ‧  Dennis Kim  ‧  Colonel Richard Williams  ‧  Eric S7  ‧  Susan  ‧  Randall  ‧  Christy Vanderbel  ‧  Doug  ‧  Eric S2
Cast Regulars Johnny Galecki  ‧  Jim Parsons  ‧  Kaley Cuoco  ‧  Simon Helberg  ‧  Kunal Nayyar  ‧  Mayim Bialik  ‧  Melissa Rauch  ‧  Kevin Sussman  ‧ 
Laura Spencer  ‧  Sara Gilbert
As Selves Wil Wheaton  ‧  Mike Massimino  ‧  Stephen Hawking  ‧  Katee Sackhoff  ‧ Steve Wozniak  ‧ Buzz Aldrin  ‧ Summer Glau  ‧ James Earl Jones  ‧ Carrie Fisher  ‧ Brent Spiner  ‧ Howie Mandel  ‧ Bill Nye  ‧ George Smoot  ‧ George Takei  ‧ LeVar Burton  ‧ Neil deGrasse Tyson  ‧ Brian Greene  ‧ Charlie Sheen  ‧ Stan Lee  ‧ Adam West
Crew Writers Chuck Lorre * (Creator)  ‧  Bill Prady * (Creator)  ‧  Steven Molaro *  ‧  Steve Holland *  ‧  Maria Ferrari *  ‧  Jim Reynolds *  ‧  Eric Kaplan *  ‧  Anthony Del Broccolo  ‧  Lee Aronsohn *  ‧  Dave Goetsch *  ‧  Tara Hernandez  ‧  Richard Rosenstock *
Directors Mark Cendrowski  ‧  Peter Chakos * (mainly as Editor)  ‧  Anthony Rich  ‧  James Burrows
Science consultant : David Saltzberg Director of photography : Steven V. Silver
Costume designer : Mary T. Quigley * Unit production manager : Kelly-Anne Lee *
Theme composer / performer : Barenaked Ladies Chuck Lorre Productions
also as Producer The Big Bang Theory : Full cast & crew on IMDb

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