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Spoiler Warning: Plot details, ending details, or both are in the text which follows.
Spoiler Warning: Plot details, ending details, or both are in the text which follows.

Thornton: "May I come in? I come in peace!"
Ms. Baker: "You've got some nerve."
Thornton: "I come in peace."
—Thornton Duggan and Agatha Baker.

Thornton Duggan is a character in Grand Theft Auto Online, introduced in The Diamond Casino & Resort update as a main character. He is also the unseen main antagonist of The Diamond Casino Heist update.

History[]

Background[]

Thornton Duggan is the nephew of the former head of the Duggan Crime Family and infamous industrialist Avery Duggan. He is less dangerous than him, and betrays him to buy the Diamond Casino, becoming the new owner. He is also the older brother of the late Los Santos oil baron, Mason Duggan.

Events of Grand Theft Auto Online[]

The Diamond Casino & Resort[]

Thornton: "Maybe I can help your uncle and you leave a little more dignity and more. I will offer asking plus twenty percent and a quick sale and a good relationship, but you gotta help me."
Ms. Baker: "Help?"
Thornton: "Kill my uncle."
—Thornton Duggan and Agatha Baker

Thornton is first encountered during the mission Casino - Strong Arm Tactics, when the protagonists, Tao Cheng, his translator, and Agatha Baker have a meeting with Avery and Thornton.

The meeting goes sour, as Tao pulls a gun and threatens Avery following a racial remark, and Avery, seeing they will never sell the casino, orders his men to eliminate them.

Thornton later appears in the mission Casino - Bad Beat to tell everyone he still wants the casino, and that he and his uncle had a falling out. In an attempt to gain their trust and butter them up, he warns them of an incoming attack of The Professionals, hired by Avery to destroy the casino.

In the final mission, Casino - Cashing Out, as Tao Cheng and his Translator are about to leave for China due to his uncle telling them to immediately sell the casino, Thornton returns and informs them of a plan to save the casino, but mentions he won't have the money to do so unless they kill his uncle, thus giving Thornton both his inheritance and full control of the Duggan Crime Family.

Avery Duggan is killed and Thornton celebrates his death with the rest of the casino crew but not before dismissing Vincent, and later becoming the new owner.

The Diamond Casino Heist[]

Brucie: "Can you get your boss online? Mr. D, where is he?"
Debbie: "Mr. Duggan?"
Brucie: "Yeah!"
Brucie Kibbutz and Debbie during Casino Heist - The Big Con (Yung Ancestor disguise)

In December 2019, Cheng Family Holdings vice president Georgina Cheng arrives in Los Santos and utilizes her hacking skills to arrange a meeting between Lester Crest and the GTA Online Protagonist in Mirror Park. As soon as Lester realizes that he's been set up, Georgina appears and introduces herself. She requests that Lester come out of his retirement and work alongside the protagonist to help her plan an elaborate heist on the Diamond Casino & Resort to take revenge on Thornton Duggan.

After careful planning, the casino is robbed multiple times, humiliating Thornton and costing him millions due to his insurance premiums.

Personality[]

Despite being less dangerous and saving the casino, he is actually a sociopathic and cocky individual, going as far as killing his own uncle and celebrating it after, showing no remorse or regret for doing so.

Mission Appearances[]

Grand Theft Auto Online[]

The Diamond Casino & Resort[]

Gallery[]

Trivia[]

  • Thornton shares similarities with Donald Love from the 3D Universe:
  • He also shares similarities with Thomas Stubbs from The Lost and Damned, as both of them are businessmen who task the protagonist (Johnny Klebitz for Thomas and the GTA Online Protagonist for Thornton) with killing their uncles (Arthur Stubbs in Politics and Avery Duggan in Casino - Cashing Out).
  • Thornton is the second "antagonist" in the series (after Chan Jaoming) who never had any evil intentions towards the protagonist. Instead, he was an enemy of the Cheng Family, who hired the GTA Online Protagonist to rob the Diamond Casino to exact revenge on Thornton for manipulating Tao Cheng into selling the establishment to him (which, ironically, the GTA Online Protagonist helped him accomplish in the first place).
    • While members of the Duggan Crime Family working for Thornton appear as enemies in several missions where they try to kill the protagonist, Thornton is never shown specifically ordering them to do so, and therefore he can not be held responsible for their actions.

Navigation[]

Navigation
[ ve ]Characters in Grand Theft Auto Online
ProtagonistOnline Player
Original version updates
(PS3 and Xbox 360)
Main charactersLamar Davis | Gerald | Simeon Yetarian | Ron Jakowski | Trevor Philips | Lester Crest | Martin Madrazo
Minor charactersAnna | Big T | Brucie Kibbutz | Chantelle | Chef | Cris Formage | Daily Globe Editor | Dom Beasley | Donna | El Estupido | Garage Mechanic | Gustavo | Hao | JT Boyd | Janet | Jolene Cranley-Evans | Joyrider | Juan | Leroy | Little T | Madrazo Witness | Melvin | Mugger | Mushroom Hank | Raul | Small F | Stanley | The Boss (Families) | The Boss (Professionals) | The Boss (Marabunta Grande) | District Attorney | The Madrazo Trial Judge | Vasquez | Chastity | Cheetah | Fufu | Infernus | Juliet | Nikki | Peach | Sapphire | Ponsonbys Manager | Merryweather Helicopter Pilot | Merryweather Boat Driver | Vagos Gang Leader
Radio station characters
Radio hostsBig Boy | Bootsy Collins | Cara Delevingne | Camilo Lara | Don Cheto | DJ Pooh | Gilles Peterson | Flying Lotus | Jesco White | Keith Morris | Kenny Loggins | Mama G | Lee "Scratch" Perry | Nate Williams | Stephen Pope | Soulwax / 2manydjs | Twin Shadow | Chermical Bro | Doctor No
Radio guestsMNDR | Eddie | Earl Sweatshirt | Aloe Blacc | Tunde Adebimpe | MC Eiht | Jermaine Renegade | King Avriel
Talk Show hosts
(& assistants)
Michele Makes | Lazlow Jones | Fernando Martinez | Jo | Ron Jakowski | Duane Earl | Bobby June | Ray De Angelo Harris | Cheryl Fawkes
Talk Show guestsSue Murry | Ricky | Jock Cranley | Samantha Muldoon | Brother Adrian
TV Show characters
TV Show hosts
(& assistants)
Lazlow Jones | Hugh Harrison | Anita Mendoza | Imran Shinowa | Steve Haines | Rufus Bellows | Jack Howitzer | Ho Chi Sock
TV Show guestsWilliam Angio | Tracey De Santa
Movie characters
ActorsMilton McIlroy | John Cohn | Theodore Bickford | Charlie Fleming | Chippy | Leo Hornstein
Heists
Main charactersLester Crest | Agent 14 | Karen Daniels | Trevor Philips | Ron Jakowski
Minor charactersMaxim Rashkovsky | Josh Sherman | Gavin Van Der Loop | Dima Popov | Avi Schwartzman | Eddie Toh | Gusset | Paige Harris | Phil | Navy Officer
Radio DJsCliff Lane | Andee
Lowriders
Main charactersLamar Davis | Gerald
Minor charactersBenny | Vernon | Mateo Brothers | Little Al | Edgar Carlos | Jose Carlos | Pedro Carlos | Janet | Unnamed Korean buyer | Wallis
Executives and
Other Criminals
Brendan Darcy | Yacht Bartender
Further Adventures
in Finance and
Felony
Executive Assistant
Bikers
Main charactersLJT | Malc
Minor charactersAl Carter | Sindy | Zach Nelson
Import/ExportExecutive Assistant | Office Mechanic | Unnamed Street Race Owner | Warehouse Mechanic
Gunrunning
Main charactersAgent 14
Minor charactersChester McCoy | Rogue Agent
Smuggler's Run
Main charactersRon Jakowski
Minor charactersCharlie Reed
Radio guestsSophia Bowles-Carmichael
The Doomsday Heist
Main charactersLester Crest | Agent 14 | Phoenicia Rackman | Avon Hertz | Cliffford
Minor charactersBogdan | Agent ULP | Chester McCoy | Facility Receptionist
Radio DJsFrank Ocean
After Hours
Main charactersTony Prince | Lazlow Jones | English Dave | Paige Harris
Minor charactersArt Student | Buyer's Associate | Connie | Daniel Schoeps | Jewelry Store Clerk | Jimmy Boston | Kerry McIntosh | Lacey Jonas | Maude Eccles | Miranda Cowan | Poppy Mitchell | Simeon Yetarian | The Lost Girl | Tyler Dixon | Yohan Blair
Residency/Radio DJsSolomun | Dixon | Tale Of Us | The Black Madonna | Donna Frank
DJ FriendsDaniel Schoeps | Jakob Grunert | Fotios Karamanidis | DJ RobT | DJ Mike | Dixon's Manager | Aurelia S. Ortiz | Ignazio | Rupert Murray | Ryan Hambsch | Ryan Smith
Arena War
Main charactersAlan Jerome | Bryony
Minor charactersJock Cranley | Violet Jordan | Sacha Yetarian | Peter
Premium Deluxe Repo WorkSimeon Yetarian
The Diamond
Casino & Resort
Main charactersAgatha Baker | Avery Duggan | Brucie Kibbutz | Tao Cheng | Tao Cheng's Translator | Thornton Duggan | Tom Connors | Vincent Effenburger
Minor charactersDebbie | Josephine | Felipe | Gabriel | Vince | Blane | Curtis | Caleb | Beth | Eileen | Ushi | Lauren | Taylor | Carol | Dean | Corrupt Judge
The Diamond
Casino Heist
Main charactersLester Crest | Georgina Cheng | Huang
Minor charactersJimmy De Santa | Wendy | Zhao | Pansy | Agatha Baker | Tom Connors | Vincent Effenburger | Brucie Kibbutz | Yung Ancestor | Debbie | Josephine | Felipe | Casino Vault Guard | Los Santos Slasher
Heist Crew MembersAvi Schwartzman | Charlie Reed | Christian Feltz | Chester McCoy | Eddie Toh | Gustavo Mota | Karl Abolaji | Karim Denz | Paige Harris | Patrick McReary | Rickie Lukens | Taliana Martinez | Yohan Blair | Zach Nelson
Gerald's
Last Play
Gerald | The Boss (Marabunta Grande) | The Boss (Los Santos Triads)
Radio DJsDanny Brown | Skepta
Los Santos Summer Special
Main charactersBrendan Darcy
Minor charactersSolomon Richards | The Boss (Kkangpae) | Tom Connors | Yacht Bartender | John Doe
The Cayo Perico Heist
Main charactersMiguel Madrazo | Juan Strickler | English Dave | Pavel
Minor charactersPatricia Madrazo | Jackie | Kaylee | Enrique | Jorge | Josephine | Gustavo | Tom Connors | VIP Charter Jets Pilot | Beach Party Coordinator | Head of Cayo Perico Security | Pernell Moss | Evan | Unnamed Party Girl | Unnamed Party Girl's Friend | Sleeping Guard
Heist Crew MembersCharlie Reed | Viktor Sokolov | Rooster McCraw | Paige Harris | Unnamed heist crew member (heavy weapons supply drop) | Unnamed heist crew member (weapon stash)
Residency DJsMoodymann | Palms Trax | Keinemusik
Celebrity cameosDJ Pooh | Dr. Dre | Jimmy Iovine | Scott Storch
Radio DJsJoy Orbison | Julian Casablancas | Zachary | Mac DeMarco | Tony Mac | Tierra Whack
Los Santos Tuners
Main charactersSessanta | Kenny "KDJ" Dixon Jr. | Mimi | Hao
Minor charactersLil' Dee | Race Organizer | LSCM Tattooist | Benny | Corrupt IAA Agent | Crystal Vape Dealer | Jorge | Corrupt Union Depository Businessman | Union Depository Bank Manager
Contract ClientsAvi Schwartzman | Miguel Madrazo | Unnamed Korean client | Unnamed Armenian client | Chef | Unnamed FIB client
The Contract
Main charactersFranklin Clinton | Lamar Davis | Imani | Dr. Dre | Chop | Johnny Guns
Minor charactersDJ Pooh | Anderson .Paak | Jimmy Iovine | Lola Romero | Requisitions Officer | Agency Security Guard | Agency Receptionist | Agency Mechanic | Agency SUV Driver |Vernon | P | Eugene | Raymond | Club Promoter | Ben Brooks | Ben Brooks' Lawyer | North Side Vagos leader | Harvey Molina | Jimmy Boston | Marnie Allen | The Arms Dealer | The bitterSweet Cofounder | The Gold Coast Development CEO | The Importer | The Judge | The Lawyer | The Protected Person | The Tech Entrepreneur | The Trendy Millionaire | Unnamed Party Girl | Vagos Driver
Radio DJsROSALÍA | Arca
Radio guestsSnoop Dogg | Ice Cube | Mr. Fingers | Caroline Polachek | Daddy Yankee | Aventura
The Criminal Enterprises
Main charactersAgent ULP | Mason Duggan | Agent 14 | Executive Assistant | Tony Prince | Malc
Minor charactersAgent Johnson | Lupe | Warehouse Staff | Yohan Blair | Marcel | Zach Nelson | Sindy | Simeon Yetarian | Lamar Davis | Omega
Los Santos Drug Wars
Main charactersDax | Labrat | Mutt | Luchadora | Isiah Friedlander | Ron Jakowski
Minor charactersAmeer | Chef | Gerald | Gun Van Seller | Haylee | Hippy Boss | Jesse | Joscha | Street Dealers | Tiana
San Andreas Mercenaries
Main charactersCharlie Reed | Rooster McCraw | Pernell Moss | Avi Schwartzman
Minor charactersRon Jakowski | Fort Zancudo Colonel | Lloyd | Armored Gunner | Unnamed Smuggler | Unnamed Weazel News Journalist | LJT | Agent 14 | Mutt | Ghosts | Johnny Klebitz
The Chop Shop
Main charactersYusuf Amir | Jamal Amir | Vincent Effenburger
Minor charactersSalvage Yard Staff | King Tiny | Hao | La'oub Princess Air Support Pilot | La'oub Princess Captain | Skylift Pilot | Felipe | Casino Vault Guard | Tony McTony's Head of Security | Ahron Ward | Jimmy De Santa | Jorge | Jaywalker | DJ Pooh | Tanner | Yeti
Even the Score Mixtape
HostsDāM-FunK
GuestsSnoop Dogg | Franklin Clinton | Lamar Davis
Bottom Dollar Bounties
Main charactersJenette Eccles | Maude Eccles | Vincent Effenburger | Martin Madrazo
Minor charactersMurph | Bail Office Staff | Jorge | Unnamed Armenian Loan Shark
Bail Jumpers
Most Wanted BountiesGrace Whitney | Chaz Lieberman | Leroy O'Neil | Brock Thompson | Cleo Song | Omar Garcia
Standard BountiesAngel Kenney | Beau Duggan | Bill Duggan | Brigitte Foster | Colby Wright | Cook Kenzie | Hunter Duggan | India Wood | Jalen Kennedy | LJ Ha | Lil Prince | Marquel Green | Ricky Ji | Rylee Rose | Sabrina Gray | Serenity Pierce | Tommy Lim | Xavier Fremond
Other charactersZombies | Ludendorff Cop | Dom Beasley
.
Mentioned charactersAbdul Amir | Anna | Ashley Butler | Al Di Napoli | Cloe Parker | Devin Weston | Denise Clinton | DJ Playlist | Don Percival | Elwood O'Neil | Esteban Jimenez | Jay Norris | Joe Lawton | Keith Collins | Kyle Chavis | Leo | Luis Fernando Lopez | Mark Fostenburg | MC Clip | Michael De Santa | Molly Schultz | Mr. Cheng | Nonna | Niko Bellic | Perlie | Ronnie Bonelli | Samantha Muldoon | Sergei | Tanisha Clinton | Terry Thorpe | Tony McTony | Tonya Wiggins | "Uncle" Amir | Vlad | Vasily | Vasily (Russian Navy) | Wade Hebert
Non-canon charactersSpecial Dad (John Marston | Claude | Niko Bellic (as a Dad)) | Special Mom (Misty)
Cut charactersHarold "Stretch" Joseph | Melvin Andrews | Joseph Whites | Jaywalker
† denotes Deceased, Italics denotes a status determined by the player's choice
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