History Characters / BlueBloods

* PapaWolf: Do NOT hurt a member of his family. He'll put you down without a word.

* RevolversAreJustBetter: Frank continues to carry his old snubnose revolver, despite his father telling him he should switch to a semiautomatic for more firepower. In one scene, Frank [[BoomHeadshot demonstrated he doesn't need to]].

Daughter of Erin

* [[TurnOutLikeHisFather Turn Out Like Her Great Grandfather, Her Grandfather, and all her uncles]] : She intends to be a cop too. Erin is [[OverprotectiveParents ambiguous about that]].

Jamie's partner

!! Baker

* NoNameGiven: She's only ever addressed by her surname.
* OfficeLady: Much of her role - until Frank needs a quiet investigation, at which the viewers are reminded that Baker is not just an office lady, she's also a detective.

* ContractOnTheHitman: When Noble's associates figure out that Jamie was a spy

* IronicName

* XanatosSucker

* DonutMessWithACop

* DoNotMessWithACop
* OldCopYoungCop: To Jamie

* [[TurnOutLikeHisFather Turn Out Like Her Great Grandfather, Her Grandfather, and all her uncles]] : What she intends to do.

* OfficeLady

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[[AC: Frank Reagan, New York City Police Commissioner]]

* SemperFi: Was a Marine in Vietnam.

[[AC: Henry Reagan]]

* SemperFi: Was a Marine in Korea.

[[AC: Danny Reagan]]

* SemperFi: Served as a Marine in Iraq -- specifically Fallujah.

[[AC: Jamie Reagan]]

[[AC: Erin Reagan-Boyle]]

Frank's daughter and Danny's and Jamie's sister, she is an Assistant District Attorney for Manhattan. She was married to a defense attorney, but they divorced before the series began and she is now a single mom. Her daughter recently raised her ire by deciding she wants to be the first female Reagan to become a cop.

* PrinciplesZealot: Is strongly committed to her principles and the law, and doesn't like Danny's cowboy cop tendencies.
* GlamorousSingleMother: Averted. Erin expertly juggles work and her teenage daughter, but has little time left for a social life.

[[AC: Detective Jackie Curatola]]

[[AC: Baker]]

[[AC:Noble Sanfino]]

* RetiredBadass
* [[DaChief Retired Chief]]

* TheMole: {{Inverted}}. After he saved the life of mob heir Noble Sanfino while in plainclothes at the beginning of season 2, he has occasionally gone undercover in the Sanfino organization.

Frank's daughter and Danny's and Jamie's sister, she is an Assistant District Attorney for Manhattan. She was married to a defense attorney, but they divorced before the series began and she is now a single mom.

[[AC: Officer Jackie Curatola, Danny's partner]]
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* JustPartners

* TheNotLoveInterest: To Danny
* PlatonicLifePartners: To Danny

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* BlueEyedBlonde

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[[AC: Frank Reagan]]

Head of the Reagan family and the NYPD. A stern but fair man

* AFatherToHisMen: cares deeply about the NYPD and his sons.
* AlwaysGetsHisMan: Oh yes.
* DaChief
* TheGoodChancellor
* GuileHero: Has run gambits on criminals before, as well as once maneuvering a diplomat whose son was a rapist into unintentionally giving him a DNA sample.
* LikeFatherLikeSon: Despite being able to adapt with the times, their scenes together show that Frank is very close to Henry.
* PapaWolf: Do NOT hurt a member of his family. He'll put you down without a word.
* ThePatriarch
* ReasonableAuthorityFigure
* TheStoic: But it doesn't mean he's heartless.
* ShellShockedVeteran: Became TheStoic due to this, having seen many terrible things in the line of duty and bottling it up to keep from spilling over onto his family.
* SemperFi: Was a Marine in Vietnam.

And the Reagan siblings:

* AloofBigBrother: Isn't very close to Jaimie, due to their age differences.

* CowboyCop: He bends the rules in pursuit of justice.

* JerkWithAHeartOfGold: Generally behaves like a jerk towards his youngest brother Jaime; Frank explains to Jaime that it's because Danny can't bear the thought of losing another brother, so he tries to StealthMentor him.

* NotLoveInterest: to his partner Jackie

* SemperFI: Was a Marine in Iraq - specifically Fallujah.

* TheDulcineaEffect : Jamie cannot resist a DistressedDamsel

* KnightInShiningArmor: Again, the idealistic child - he was inspired to join the NYPD not just because of Joe, but because of the examples of his dad and grandfather.

[[AC: Erin Reagan]]

Others:

[[AC: Officer Jackie Curatela, Danny's partner]]

* ThePowerOfTrust: Danny's wife doesn't even seem to blink an eye at them being partners.

Great-grandpa of the Reagan family. Was a hardbitten Da Chief in his day; now dispenses wisdom and advice.

* BadassGrandpa: oh yeah. When Frank is shot, he's the one sitting in the hallway, up all night alert, ready to protect his family.

* PapaWolf: When Frank is shot, he's the one sitting up the whole night with his hand by his gun, guarding his family.

* JerkWithAHeartOfGold: Generally behaves like a jerk towards his youngest brother Jaime; Frank explains to Jaime that it's because Danny can't bear the thought of losing another brother, so he tries to StealthMentor him.

* PrinciplesZealot: Is strongly committed to her principles and the law, and doesn't like Danny's cowboy cop tendancies.

* TheDulciniaEffect : Jamie cannot resist a DistressedDamsel

* TheDulceniaEffect : Jamie cannot resist a DistressedDamsel

* LikeFatherLikeSon: Despite being able to adapt with the times, their scenes togther show that Frank is very close to Henry.

And the Reagan siblings

* AloofBigBrother

* CowboyCop

* KnightInSourArmor

* HonorBeforeReason
* KnightInShiningArmor

* NewMeat

* HelloAttorney
* PrinciplesZealot

* CoolOldGuy: Is this to his grandchildren and great-grandchildren.

* GoodOldWays

* AFatherToHisMen
* AlwaysGetsHisMan

* LikeFatherLikeSon
* PapaWolf

* TheStoic
* SemperFi

* GoodIsNotNice

* PayEvilUntoEvil

* BadassNormal
* ByTheBookCop
* [[DeadLittleSister Dead Big Brother]]

Great-grandpa of the Reagan family

* BadassGrandpa
* CoolOldGuy
* GloryDays

Head of the Reagan family and the NYPD

* Principles Zealot