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Dr. Rajesh Ramayan "Raj" Koothrappali, Ph.D., is one of the main characters from the sitcom The Big Bang Theory. He is an astrophysicist, Howard Wolowitz's best friend and a member of the gang.

He is portrayed by Kunal Nayyar.

Background[]

Raj often hangs out at Leonard and Sheldon's apartment, though he has his own apartment (the Raj Mahal) in Pasadena. Raj fell in love with astronomy while attending Cambridge University. Originally from New Delhi, Raj has an Indian English accent and, ironically, dislikes Indian food and culture. He frequently portrays himself as having come from humble origins and growing up in poverty in India, only for his friends to remind him that his father is a gynecologist, drives a Bentley, and has a house full of servants. For the first six seasons, his principal characteristic was a case of selective mutism social anxiety disorder, which did not allow him to talk to women outside of his family. This condition could be suppressed through alcohol (or if he thought he was drinking alcohol) or experimental social anxiety medications; however, the former usually ended up changing his personality, making him more obnoxious and overbearing, while the latter tended to have unpredictable side-effects.

Physical Appearance[]

Raj is 5' 7" (1.70 m), with warm tan skin, black hair and brown eyes. He is normally seen wearing a layered combination of a shirt, a sweater vest, and a windbreaker with cargo pants and skate shoes; he wore a red baseball cap in the Pilot.

Early Life[]

Rajesh Koothrappali was born in New Delhi, India on October 6, 1981 to Dr. V.M. Koothrappali and Mrs. Koothrappali. He also has a younger sister Priya and also 3 brothers and 1 other sister. While growing up in India, he didn't really like it there and grew to dislike his country's food and culture. Later, Raj left India and moved to Pasadena, California in the United States of America. There, he met Howard Wolowitz who became his best friend and Howard's mother made Raj feel welcome into their house.(Although she thought he was the gardner for two years)

Appearances[]

Season 1[]

In the Pilot, Raj and Howard meet Leonard and Sheldon's new neighbor, Penny, who quickly learns of Raj's inability to speak to women (unless they're in his family).

However, in "The Grasshopper Experiment" everyone discovers that Raj can actually talk to a woman by being drunk, as evidenced when Penny gives him a cocktail while going through bar tending training.

In "The Porkchop Indeterminacy", Raj takes some drugs as another way to talk to women. When Sheldon's twin sister Missy Cooper comes for a visit, Raj, Howard and Leonard begin to clash over who is going out with her and the three engage in a fight. Raj was the third person to ask Missy out, but his drugs wear off and leaves defeated.

Season 2[]

In "The Griffin Equivalency", Raj gets some glory after being featured in People Magazine, when the guys fail to take interest, Raj angrily leaves Leonard and Sheldon's apartment. The next day, The guys apologies and invite him out for dinner, before Gablehauser congratulates Raj for his work an invites him for lunch in the president's dinner room. Raj brags about his work to the guys and invites Penny to People's reception. After the party, Raj talks to his parents, but leaves to throw up. Raj tries to give Penny an apology note but Penny forces him to verbally apologies, who does so and Penny forgives him.

Season 3[]

In "The Pirate Solution" Raj's work hits a dead end, causing him to have concerns of being deported back to India, he begins working for Sheldon in order to keep his visa valid. He also become jealous when Leonard and Howard become too busy with their girlfriends to hang out.

Season 4[]

In "The Hot Troll Deviation" Raj buys a desk bigger than Sheldon's desk and the two fight over in the office (in the later episodes, Raj and Sheldon have gotten along with each other and made amends).

In The Irish Pub Formulation" Raj becomes furious after hearing that Leonard started a relationship with his sister while she's in town, until Leonard turns the tables on him by revealing that he used Sheldon's toothbrush to clean his gums, much to Sheldon's disgust. However, Raj manages to persuade to be still friends after revealing he bought an Thomas the Tank Engine toy train with real puffing smoke for Thanksgiving.

In "The Roommate Transmogrification", Raj and Penny become closer friends, up to the point where they allegedly have a one-night stand.

Season 5[]

In "The Countdown Reflection" Raj suggests that they do Howard and Bernadette's wedding on the roof since he knows that as an astrophysicist that there is a satellite above Pasadena, so it can photograph the ceremony from space.

Season 6[]

In "The Tangible Affection Proof", Raj begins a relationship with a woman called Lucy, but in "The Monster Isolation", Raj becomes a hermit when Lucy dumps him on their date, until Howard brings him back to his senses.

In "The Bon Voyage Reaction". Lucy breaks up with him when he pushes her to meet his friends. When Penny visits a miserable Raj, he gets over his selective mutism and is now finally able to talk to all women.

Season 7[]

Raj begins a relationship with a dermatologist, Emily Sweeney.

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Raj pays 0 care to Howard's unhappiness getting a lightsaber belt buckle with a sexual nature

Season 8[]

In "The Expedition Approximation", Raj continues to work with Sheldon on Dark Matter testing, when both Sheldon and Raj go down the very hot mines of the university for an expedition, Sheldon cowardly leaves Raj at the mercy of rats after spending 11 minutes down there.

He then starts to question his relationship with Emily, wondering if she really is the right person for him.

Season 9[]

In "The Valentino Submergence", he breaks up with Emily so that he can date Claire. But in "The Application Deterioration", he and Emily have gotten back together, as seen in the last scene of the episode, when they are both lying in her bed.

Raj meets a screenwriter and bartender named Claire, and gets involved in a love triangle with her and Emily.

Season 10[]

Raj is no longer in a relationship, though he finds an interest in his workplace's cleaning lady, Isabella.


Relationships[]

Howard Wolowitz[]

Raj has been good friends with Howard since he first moved to the United States. For the fifteen years that followed, Howard has teased and joked around with Raj most of the time. In The Confidence Erosion (S11E10), Raj's father expresses his beliefs that his son's lack of confidence is because of Howard's teasing, leading to Raj cutting off contact with Howard, much to the latter's chagrin. However, they become friends again in the next episode, The Celebration Reverberation (S11E11), while taking out their frustrations on each other.

Quotes[]

Gallery[]

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Despite their friendship and creepy past, Raj was capable of going too far for Howard

Trivia[]

  • Raj's selective mutism even applies in his dreams, the notable nightmare he had is with Siri as shown in "The Beta Test Initiation".
  • He has a Ph.D. in Astrophysics.
  • The baseball cap Raj wears in the Pilot bears the number 42 (the answer to life, the universe, and everything) on it.
  • Raj is 5 ft. 7 in (1.70 m) tall – the height of his actor Kunal Nayyar. This measurement is two-and-a-half inches below the average height for males in the U.S. and two inches above the average height for males in India. In "The Transporter Malfunction", he states that, next to Howard and Bernadette, he looks 6 ft. 2 in (1.88 m) tall.
  • Like Sheldon, Amy, Bernadette, Leonard, and Leslie Winkle, Raj lives in an apartment, which he calls his "Raj Mahal".
  • Raj is not at all serious about his Hindu faith and eats beef, which is frowned upon by most Hindus.
  • Raj calls his skin tone "Melt-In-Your-Mouth Caramel".
  • Raj, much like Howard, despises many of Sheldon's antics, and the two managed to get Sheldon on a date with Amy Farrah Fowler on a dating website in "The Lunar Excitation", much to Sheldon's dismay.
  • Raj's case of selective mutism was first evident in the Pilot episode.
  • Raj's selective mutism does not apply to his female family members such as his mother and his sister Priya Koothrappali.
  • Raj dislikes Aquaman, and he is always chosen to dress as Aquaman, due to the guys having a costume competition.

External links[]

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Media
The Big Bang TheoryYoung SheldonVideo
Characters
Main Characters: Leonard HofstadterSheldon CooperPenny HofstadterHoward WolowitzRajesh KoothrappaliAmy Farrah FowlerBernadette Rostenkowski-WolowitzStuart BloomEmily SweeneyLeslie Winkle

Recurring Characters: Barry KripkeWil WheatonAltheaKurtEric GablehauserMary CooperDebbie WolowitzV.M. KoothrappaliMrs. KoothrappaliMikeStephanie BarnettBeverley HofstadterPresident SiebertZack JohnsonPriya KoothrappaliWyattMike RostenkowskiMrs. RostenkowskiAlex JensenJanine DavisLucyProfessor ProtonDavid GibbsClaireStephen HawkingAlfred HofstadterColonel Richard WilliamsDenise
Minor Characters: Christy VanderbelLalita GuptaToby LoobenfeldDennis KimDimitriMissy CooperBlainTomOctaviaMariaLourdesRamona NowitzkiKathy O'BrianDavid UnderhillAliciaMikaylaCaptain SweatpantsLonely LarryDr. CrawleyBethanySarahSkeeterProfessor LaughlinAbbyMarthaOfficer HackettSandyGlenVenkatesh KoothrappaliSebastianLouie/LouiseJoyce KimMrs. GundersonJoyMrs. FowlerAngela PageProfessor GlennMrs. LathamTodd ZarneckiSusanRandallColonel Richard Williams

Episodes
Season 1: PilotThe Big Bran HypothesisThe Fuzzy Boots CorollaryThe Luminous Fish EffectThe Hamburger PostulateThe Middle-Earth ParadigmThe Dumpling ParadoxThe Grasshopper ExperimentThe Cooper-Hofstadter PolarizationThe Loobenfeld DecayThe Pancake Batter AnomalyThe Jerusalem DualityThe Bat Jar ConjectureThe Nerdvana AnnihilationThe Porkchop IndeterminacyThe Peanut ReactionThe Tangerine Factor

Season 2: The Bad Fish ParadigmThe Codpiece TopologyThe Barbarian SublimationThe Griffin EquivalencyThe Euclid AlternativeThe Cooper-Nowitzki TheoremThe Panty Piñata PolarizationThe Lizard-Spock ExpansionThe White Asparagus TriangulationThe Vartabedian ConundrumThe Bath Item Gift HypothesisThe Killer Robot InstabilityThe Friendship AlgorithmThe Financial PermeabilityThe Maternal CapacitanceThe Cushion SaturationThe Terminator DecouplingThe Work Song NanoclusterThe Dead Hooker JuxtapositionThe Hofstadter IsotopeThe Vegas RenormalizationThe Classified Materials TurbulenceThe Monopolar Expedition
Season 3: The Electric Can Opener FluctuationThe Jiminy ConjectureThe Gothowitz DeviationThe Pirate SolutionThe Creepy Candy Coating CorollaryThe Cornhusker VortexThe Guitarist AmplificationThe Adhesive Duck DeficiencyThe Vengeance FormulationThe Gorilla ExperimentThe Maternal CongruenceThe Psychic VortexThe Bozeman ReactionThe Einstein ApproximationThe Large Hadron CollisionThe Excelsior AcquisitionThe Precious FragmentationThe Pants AlternativeThe Wheaton RecurrenceThe Spaghetti CatalystThe Plimpton StimulationThe Staircase ImplementationThe Lunar Excitation
Season 4: The Robotic ManipulationThe Cruciferous Vegetable AmplificationThe Zazzy SubstitutionThe Hot Troll DeviationThe Desperation EmanationThe Irish Pub FormulationThe Apology InsufficiencyThe 21-Second ExcitationThe Boyfriend ComplexityThe Alien Parasite HypothesisThe Justice League RecombinationThe Bus Pants UtilizationThe Love Car DisplacementThe Thespian CatalystThe Benefactor FactorThe Cohabitation FormulationThe Toast DerivationThe Prestidigitation ApproximationThe Zarnecki IncursionThe Herb Garden GerminationThe Agreement DissectionThe Wildebeest ImplementationThe Engagement ReactionThe Roommate Transmogrification
Season 5: The Skank Reflex AnalysisThe Infestation HypothesisThe Pulled Groin ExtrapolationThe Wiggly Finger CatalystThe Russian Rocket ReactionThe Rhinitis RevelationThe Good Guy FluctuationThe Isolation PermutationThe Ornithophobia DiffusionThe Flaming Spittoon AcquisitionThe Speckerman RecurrenceThe Shiny Trinket ManeuverThe Recombination HypothesisThe Beta Test InitiationThe Friendship ContractionThe Vacation SolutionThe Rothman DisintegrationThe Werewolf TransformationThe Weekend VortexThe Transporter MalfunctionThe Hawking ExcitationThe Stag ConvergenceThe Launch AccelerationThe Countdown Reflection
Season 6: The Date Night VariableThe Decoupling FluctuationThe Higgs Boson ObservationThe Re-Entry MinimizationThe Holographic ExcitationThe Extract ObliterationThe Habitation ConfigurationThe 43 PeculiarityThe Parking Lot EscalationThe Fish Guts DisplacementThe Santa SimulationThe Egg Salad EquivalencyThe Bakersfield ExpeditionThe Cooper/Kripke InversionThe Spoiler Alert SegmentationThe Tangible Affection ProofThe Monster IsolationThe Contractual Obligation ImplementationThe Closet ReconfigurationThe Tenure TurbulenceThe Closure AlternativeThe Proton ResurgenceThe Love Spell PotentialThe Bon Voyage Reaction
Season 7: The Hofstadter InsufficiencyThe Deception VerificationThe Scavenger VortexThe Raiders MinimizationThe Workplace ProximityThe Romance ResonanceThe Proton DisplacementThe Itchy Brain SimulationThe Thanksgiving DecouplingThe Discovery DissipationThe Cooper ExtractionThe Hesitation RamificationThe Occupation RecalibrationThe Convention ConundrumThe Locomotive ManipulationThe Table PolarizationThe Friendship TurbulenceThe Mommy ObservationThe Indecision AmalgamationThe Relationship DiremptionThe Anything Can Happen RecurrenceThe Proton TransmogrificationThe Gorilla DissolutionThe Status Quo Combustion
Season 8: The Locomotion InterruptionThe Junior Professor SolutionThe First Pitch InsufficiencyThe Hook-up ReverberationThe Focus AttenuationThe Expedition ApproximationThe Misinterpretation AgitationThe Prom EquivalencyThe Septum DeviationThe Champagne ReflectionThe Clean Room InfiltrationThe Space Probe DisintegrationThe Anxiety OptimizationThe Troll ManifestationThe Comic Book Store RegenerationThe Intimacy AccelerationThe Colonization ApplicationThe Leftover ThermalizationThe Skywalker IncursionThe Fortification ImplementationThe Communication DeteriorationThe Graduation TransmissionThe Maternal CombustionThe Commitment Determination
Season 9: The Matrimonial MomentumThe Separation OscillationThe Bachelor Party CorrosionThe 2003 ApproximationThe Perspiration ImplementationThe Helium InsufficiencyThe Spock ResonanceThe Mystery Date ObservationThe Platonic PermutationThe Earworm ReverberationThe Opening Night ExcitationThe Sales Call SublimationThe Empathy OptimizationThe Meemaw MaterializationThe Valentino SubmergenceThe Positive Negative ReactionThe Celebration ExperimentationThe Application DeteriorationThe Solder Excursion DiversionThe Big Bear PrecipitationThe Viewing Party CombustionThe Fermentation BifurcationThe Line Substitution SolutionThe Convergence-Convergence
Season 10: The Conjugal ConjectureThe Military MiniaturizationThe Dependence TranscendenceThe Cohabitation ExperimentationThe Hot Tub ContaminationThe Fetal Kick CatalystThe Veracity ElasticityThe Brain Bowl IncubationThe Geology ElevationThe Property Division CollisionThe Birthday SynchronicityThe Holiday SummationThe Romance RecalibrationThe Emotion Detection AutomationThe Locomotion ReverberationThe Allowance EvaporationThe Comic-Con ConundrumThe Escape Hatch IdentificationThe Collaboration FluctuationThe Recollection DissipationThe Separation AgitationThe Cognition RegenerationThe Gyroscopic CollapseThe Long Distance Dissonance
Season 11: The Proposal ProposalThe Retraction ReactionThe Relaxation IntegrationThe Explosion ImplosionThe Collaboration ContaminationThe Proton RegenerationThe Geology MethodologyThe Tesla RecoilThe Bitcoin EntanglementThe Confidence ErosionThe Celebration ReverberationThe Matrimonial MetricThe Solo OscillationThe Separation TriangulationThe Novelization CorrelationThe Neonatal NomenclatureThe Athenaeum AllocationThe Gates ExcitationThe Tenant DisassociationThe Reclusive PotentialThe Comet PolarizationThe Monetary InsufficiencyThe Sibling RealignmentThe Bow Tie Asymmetry
Season 12: The Conjugal ConfigurationThe Wedding Gift WormholeThe Procreation CalculationThe Tam TurbulenceThe Planetarium CollisionThe Imitation PerturbationThe Grant Allocation DerivationThe Consummation DeviationThe Citation NegationThe VCR IlluminationThe Paintball ScatteringThe Propagation PropositionThe Confirmation PolarizationThe Meteorite ManifestationThe Donation OscillationThe D & D VortexThe Conference ValuationThe Laureate AccumulationThe Inspiration DeprivationThe Decision ReverberationThe Plagiarism SchismThe Maternal ConclusionThe Change ConstantThe Stockholm Syndrome

Locations
The Apartment BuildingApartment 4AApartment 4BThe ElevatorCalifornia Institute of TechnologyWolowitz HouseThe Comic Center of PasadenaPasadenaThe Cheesecake FactoryRaj's ApartmentAmy's ApartmentHoward and Bernadette's ApartmentThe StairsSheldon's Old OfficeRaj's Old OfficeSheldon's New OfficeHoward's LabThe University CafeteriaKripke's Plasma LabInternational Space StationThe Kinetics Lab
Songs
Transportations
See Also
Unaired Pilot
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