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William “Billy” Sparks was a neighbor of Sheldon, who claimed on The Big Bang Theory that he was one of his childhood bullies. He was mentioned being on Sheldon's all-time enemies list in "The Creepy Candy Coating Corollary" and “The Shiny Trinket Maneuver", where Sheldon claimed he shoved a Mexican Peso up Sheldon's nose. He appears in the series spinoff "Young Sheldon".

Character Overview

Young Sheldon

In "Poker, Faith, and Eggs", having a crush on Missy he gifted her with a basket full of eggs. When the Cooper family cooked and ate those eggs, they became violently ill from food poisoning as it turns out those eggs were Salmonella-contaminated.

In "A Computer, a Plastic Pony, and a Case of Beer", Sheldon wrote on a TANDY 1000 SL System computer that Billy Sparks threw a chicken at him.

Family

  • Father: Herschel Sparks
  • Mother: Brenda Sparks
  • Sister: Bobbi Sparks

Trivia

  • Although Sheldon (who frequently tends to exaggerate or even outright lie about his childhood on TBBT) has claimed that Billy was one of his childhood bullies, events involving Billy that were seen in Young Sheldon appear to disprove those claims as he is most often merely seen being clueless and dimwitted, often having little idea what goes on around him most of the time. They were never friends in Young Sheldon, they don't hang out a lot because Billy hates Sheldon.
  • Despite initially acting like a bully, over the course of Young Sheldon he's become more happily-dim-but-harmless, and even seems to like spending time with Sheldon on occasion. Somewhere down the line, he really hates Sheldon and they are not considered friends. Her sister Bobbi Sparks is the only who is bullying Sheldon.
  • Billy might be Missy's soon to be ex-husband.
  • Billy has been shown to be somewhat slow/dimwitted as evidenced by multiple scenes in the show like when his mother said that whenever his Spanish teacher would say "si" Billy would respond by saying "See what?".

Appearances

Appearances

The Big Bang Theory Episodes
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 Tot
Season 1 0
Season 2 0
Season 3 I M 0
Season 4 0
Season 5 M 0
Season 6 0
Season 7 0
Season 8 0
Season 9 M 0
Season 10 0
Season 11 0
Season 12 0

Appearances

Young Sheldon Episodes
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 Tot
Season 1 I 6
Season 2 P M 7
Season 3 M 9
Season 4 M M 8
Season 5 0
Appeared M = Mentioned Did not appear Not aired/Not available
V = Voiced C = Cameo F = Flashback I = Indirectly mentioned P = Pictured
v · e · d
Young Sheldon Characters, Cast & Crew
Main Characters Main Sheldon Cooper  ‧  Mary Cooper  ‧  George Cooper Sr.  ‧  George Cooper Jr.  ‧  Missy Cooper  ‧  Meemaw
Recurring and Minor Characters Tam Nguyen  ‧  Veronica Duncan  ‧  Billy Sparks  ‧  Brenda Sparks  ‧  Herschel Sparks  ‧  Victoria McElroy  ‧  Evelyn Ingram  ‧  Wayne Wilkins  ‧  Hubert Givens  ‧  Sheryl Hutchins  ‧  Gene Lundy  ‧  Tom Petersen  ‧  Le Nguyen  ‧  Trang Nguyen  ‧  Mai Nguyen  ‧  Kim-Ly Nguyen   ‧  John Sturgis  ‧  Paige Swanson  ‧ Barry Swanson  ‧  Linda Swanson  ‧  Erica Swanson  ‧  Dale Ballard  ‧  Selena  ‧  Jeff Difford  ‧  Robin Difford  ‧  Jana  ‧  Marcus Larson  ‧  June  ‧  Grant Linkletter  ‧ President Hagemeyer
Cast Regulars Iain Armitage  ‧  Zoe Perry  ‧  Lance Barber  ‧  Montana Jordan  ‧  Raegan Revord  ‧  Annie Potts  ‧  Matt Hobby  ‧  Jim Parsons
Recurring Ryan Phuong  ‧  Isabel May  ‧  Wyatt McClure  ‧  Melissa Peterman  ‧  Billy Gardell  ‧  Valerie Mahaffey  ‧  Danielle Pinnock  ‧  Doc Farrow  ‧  Brian Stepanek  ‧  Sarah Baker  ‧  Rex Linn  ‧  Wallace Shawn  ‧  McKenna Grace  ‧  Craig T. Nelson  ‧  Ava Allan  ‧  Jason Alexander  ‧  Reba McEntire  ‧ Ed Begley Jr.  ‧ Wendie Malick
As Selves Elon Musk
Crew Writers Chuck Lorre * (Creator)  ‧  Steven Molaro * (Creator)
Directors Jon Favreau
Others
Science consultant : David Saltzberg Director of photography : Steven V. Silver
Executive Producers : Steven Molaro / Jim Parsons / Todd Spiewak Unit production manager : Kelly-Anne Lee *
Theme composer / performer : Steve Burns (performer) / Rob Cavallo (producer) Chuck Lorre Productions
also as Producer Young Sheldon : Full cast & crew on IMDb
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