Rajesh Ramayan " Raj " Koothrappali Ph. Raj is based on a computer programmer that the show's co-creator, Bill Pradyknew back when he himself was a programmer. Raj is Howard Wolowitz 's Simon Helberg best friend, with whom Raj shares what Nayyar calls a " Fast food ersatz homosexual relationship ", although the relationship is frequently made awkward by Raj's metrosexuality.
Raj works as an astrophysicist in the Physics Department at Caltech. He had selective mutismwhich did not allow him to talk to women outside of his family unless he was under the influence of alcohol or medicationuntil the season 6 finale. However, he despises Indian foodand his knowledge about Indian culture and Hinduism is often rebuked Sheldon, who is seen to speak better Hindi than him.
He was born into a wealthy family and has five siblings, one of whom is Priya, a former girlfriend of Fast food ersatz homosexual relationship. Raj is normally seen wearing a layered combination of a printed shirt and sweater vest under a track top -style windbreaker with khakis or cargo pants and skate shoes.
White briefs are Raj's underwear of choice. Between seasons one and eleven, Raj styled his naturally curly hair with hair gel "while to blend in".
Raj joins in playing Halo online and trading-card games with his friends,   and has even claimed to have experienced gaming addiction in the past. It was revealed in "The Monster Isolation" that Raj did at least part of his higher education at the University of Cambridgewhere he discovered his interest in astrophysics. While in general Raj is more patient with Sheldon than Leonard, Howard or PennySheldon is Fast food ersatz homosexual relationship oblivious to this, and even casually cuts him off as a friend on one occasion.
Another recurring joke Fast food ersatz homosexual relationship his metrosexualitywhich manifests itself in his appreciation for media generally associated with female patrons, such as the novel Eat, Pray, Lovethe TV series Sex and the City and films featuring Sandra Bullock.
This has led those close to him to opine that he
Fast food ersatz homosexual relationship somewhat feminine as in " The Closure Alternative "and others to mistakenly conclude that he is homosexual a theory his sister mentioned in "The Herb Garden Germination" that had been held by members of their familywhich he typically denies even asserting his metrosexuality in "The Transporter Malfunction"but which Howard often teases him over. One of Raj's biggest personality quirks is his tendency to speak or act inappropriately, often landing him in trouble or leading to an angry reaction from whomever he has upset.
This was particularly pronounced when he was under the influence of alcohol, which could cause a catchsince for years he needed alcohol to even speak to a woman, but the alcohol led to him say the wrong things. On one occasionjust as Leonard and Penny are about to have sex in their hotel room, Raj enters and obliviously proceeds to climb into Sheldon's recently vacated bed, completely unaware of what he has interrupted.
On another occasionhe openly discussed having had crushes on Penny and Bernadette directly in front of them, which caused both discomfort, and unwittingly hurting Amy's feelings when he admits that he never had a crush on her as well despite Penny and Bernadette's best efforts to alert to this fact. When socializing with his friends, despite his Indian accentRaj is noted for using slang and using the word "dude", although on some occasions he appears to not understand American slang.
He speaks fluent Hindi,    but according to Sheldon, his mother tongue is English. Until the season six finale, Raj's principal characteristic was his inability to speak to or around non-related women, a medical condition known as selective mutism. In the show this was alluded to by Dr. Beverly HofstadterLeonard's mother.
Until the end of the sixth season, Raj remained silent when Penny was present. Penny occasionally taunted him about this, saying such things as "Yo, Raj, talk to me". Raj sometimes whispered what he wanted to say to Howard or Leonard, who then repeated his words or responded to his question out loud. However, Howard sometimes used the situation to amuse himself—for example, when he "confessed" on Raj's behalf that Raj had stalked Penny with binoculars, or when Sheldon called Penny over to their table to silence Raj; Howard then refused to act as a mouthpiece and told Raj, "No no no, he won; Suck it up.
Raj turns to Leonard facing away from Penny and responds, "Oh, sure, cut the foreigner in half. There's a billion more where he came from. In " The Grasshopper Experiment ", Penny who was practicing mixing cocktails in order to obtain a bartending shift inadvertently discovered that Raj's mutism could be suppressed by consuming alcohol: Raj experimented with medications that suppressed social anxiety, but they tended to have side effects.
When Sheldon's sister Missy visited, Raj took medicine that enabled him to speak to her, but it resulted in involuntary repetitive hand motions. In the episode
Fast food ersatz homosexual relationship The Wildebeest Fast food ersatz Fast food ersatz homosexual relationship relationship ",  Raj was worried that an experimental drug he was considering might affect his rationality, but Sheldon encouraged him to
Fast food ersatz homosexual relationship it anyway: The subsequent trauma apparently cures his mutism, and he finds he can to Penny, Amy, and Bernadette while completely sober.
However, he talks so much that the women become bored and irritated and start drinking in order to put up with him. Raj regularly communicates with his parents, Dr.
Koothrappali back in India via webcam. Raj is the only one of the guys
Fast food ersatz homosexual relationship father has been revealed on the show until the ninth season, as Sheldon's father is deceased, Howard's father abandoned him when he eleven, and Leonard's father didn't make an appearance until season 9, where he appeared when Leonard was again getting married to Penny.
When they become meddling or judgmental, he "brings his parents" into Leonard and Sheldon's apartment via his laptop. In the season 2 finale, Mrs. Wolowitz have an argument because the latter does not that there is not a single Outback restaurant in India. A running gag in the series is Raj portraying 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 gynaecologistdrives a Bentley which he protests was a "lease"and had servants although he protests on one occasion that there were only four servants, and that two of them were children.
In Fast food ersatz homosexual relationship episode, Raj tries to avoid returning to India for his cousin's wedding, as Raj's parents have arranged a date for him. Raj has three brothers and
Fast food ersatz homosexual relationship sisters. Raj's sister Priya has a one-night stand with Leonard in Season 4. This leads to a brief argument between Leonard, Raj and Howard for breaking the "pinky swear" that Leonard and Howard made about never trying to make a move on her.
Later in the series, Priya and Leonard start a relationship against Raj's wishes, which is awkward as she is living with Raj at the time. In the Season 4 finale, Raj had to move temporarily into Sheldon's apartment after overhearing Leonard using Star Trek references as sexual metaphors to his sister.
Also, in the season 3 episode " The Precious Fragmentation ", Raj tries to negotiate the possession of the One Ring with the help of his cousin Venkatesh Koothrappali, who is an attorney but agrees with Raj that he is useless in that role. In the season
Fast food ersatz homosexual relationship food ersatz homosexual relationship episode " The Table Polarization ", Raj talks about naming his first child Dileep after his grandfather.
Raj is an astrophysicist in the Physics Department at Caltechbest known for a publication on Kuiper belt object size distribution. For his discovery of a planetary object beyond Fast food ersatz homosexual relationship Kuiper belt, NQ 17which he named " Planet Bollywood ", Raj was included in People magazine's "30 Visionaries Under 30 Years of Age to Watch", received a larger office, and became a celebrity of sorts, drawing the envy of his friends.
After six months of failed research on the composition of trans-Neptunian objectsRaj feared being deported back to India at which point, he describes spending his time at work as "mostly checking e-mail, updating his Facebook status, and messing up Wikipedia entries ".
To stay in the country, he sought out a research position in stellar evolution with Professor Laughlin; the job proposition failed as the research team included an attractive woman, and Raj, who became drunk so he could talk to her, made an inappropriate comment.
Raj ended up working alongside Sheldon or "for" him, as Sheldon insists"exploring the string theory implications of gamma rays from dark matter annihilations ". For most of the series' run, Raj had Fast food ersatz homosexual relationship been involved in any lasting romantic relationship, mostly due to his inability to speak to women. he was much more successful in casual sex than the more sexually aggressive Howard.
He once dated Lalita Gupta, a childhood friend, in an arrangement Fast food ersatz homosexual relationship by his parents. With Raj able to speak to her only under the influence of alcohol, the date goes badly, and Lalita left the intoxicated and bothersome Raj to Fast food ersatz homosexual relationship dinner with Sheldon. After Raj behaves boorishly with Penny while at a People magazine receptionand presents Penny to his parents via webcam as his girlfriend, he later apologizes, first with a written note.
When Penny forces him to so verbally, he utters a barely audible "sorry". Raj also seeks to date Sheldon's attractive twin sister, Missy.
To do so, he takes an experimental drug to correct his anxiety disorder. He is the only one, out Fast food ersatz homosexual relationship himself, Howard and Leonard, in whom Missy showed any interest, but the medication wears off when he tries to ask her out. When Sheldon, Leonard, Howard, and Raj are on a train to San Francisco, the latter three tried talking to actress Summer Glauwho they see is in their train car.
After drinking what he thinks is a beer, Raj is able to charm Glau. When Fast food ersatz homosexual relationship jealous Howard Fast food ersatz homosexual relationship out to Raj that his beer is non-alcoholic, Raj stops speaking in the middle of his conversation, and flees from Glau.
Raj reveals that he once had a girlfriend, after Leonard claims that the two of them were the only ones without them. She has never appeared in the show, but he states that she was deaf, so his inability to speak with women was not an issue. Despite both being heterosexualRaj and Howard tend to appear as Fast food ersatz homosexual relationship they are in a homosexual relationship.
This is described by Leonard's mother, Dr. Beverly Hofstadter as an " ersatz homosexual marriage". Raj recounts a dream where he and Howard both had mansions with a secret tunnel that connected Howard's "front yard" to his "back yard". He uses a female avatar in World of Warcraft. In season four he claims to be a metrosexual and in season 8 it is revealed that he and Howard were once in couples therapy.
In season 10's "The Emotion Detection Automaton", Howard tells Raj that if they are both unattached in the next thirty years, he would be open to two of them having a relationship.
In the season 4 finale, Penny and Raj become intoxicated and, despite agreeing to remain good friends, end up in bed together. The next morning, both agree to pretend it never happened, but
Fast food ersatz homosexual relationship are caught by Leonard, Sheldon, and Howard as they try to leave,  causing Penny to think about moving back to
Fast food ersatz homosexual relationship. In the opening episode of season 5, Raj reveals to Penny that they did not have intercourse; instead he ejaculated prematurely and they fell asleep.
Penny promised not to tell the guys, although subsequently she sometimes calls him "Quick Draw". In season 5, Raj buys a new iPhone and quickly develops feelings for the computerized personal assistant, Siri. Raj gets along well Fast food ersatz homosexual relationship his parents' first selection, but discovers that the woman is a lesbian trying to conceal her sexual orientation from her family: Out of their concern for his loneliness, Howard and Bernadette give him Fast food ersatz homosexual relationship pet dog.
Happy with his new companion, a female Yorkshire Terrier he names Cinnamon, proceeds to see if the pup fits in his man-purse. This leads Bernadette to dispute Raj's heterosexuality. This culminates in a dream sequence where he and Bernadette dance together in a Bollywood musical number. Fast food ersatz homosexual relationship reflects upon these fantasies by observing that he is "definitely not gay".
At Howard's bachelor party, Raj mentions that he and Howard had a threesome at Comic-Con with an overweight woman in a Sailor Moon costume. In the season six episode, "The Tangible Affection Proof", Raj and Stuart, put together a party at the store for lonely single people on Valentine's Day.
After giving a Fast food ersatz homosexual relationship Fast food ersatz homosexual relationship how one cannot define themself by being in a relationship, he is approached by a woman named Lucy Kate Micucci.
Fast food ersatz homosexual relationship both leave to get a cup of coffee, with Raj hypocritically declaring "Later, losers! Lucy gives Howard her phone number to give to Raj. Later, Lucy goes to his apartment to apologize and tells him that she has problems around new people.
Raj describes his own psychological problems, and they agree to have a formal date. In the following episode, "The Contractual Obligation Implementation", he takes Lucy out for a first date to a library where they text message each other instead of speaking, in light of her social anxiety and his selective mutism. They continue to date and by "The Love Spell Potential" they kiss. However, in the season 6 finale "The Bon Voyage Reaction", Lucy feels too pressured by Raj to meet his friends, and a Fast food ersatz homosexual relationship between Lucy, Raj, and Amy does not go Fast food ersatz homosexual relationship. Raj apologizes for his behavior and asks Lucy to come to Leonard's
Fast food ersatz homosexual relationship party before his departure for the North Sea on Professor Stephen Hawking's expedition.