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 " bromance ", 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 by 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 on-off girlfriend of Leonard. 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 "Siegermatic 22 be ersatz homosexual relationship" "while trying to 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 completely oblivious to this, and even casually Siegermatic 22 be ersatz homosexual relationship him off as a friend on one occasion. Another recurring joke is 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 is 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 Siegermatic 22 be ersatz homosexual relationship 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 him 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 " The Wildebeest Implementation ",  Raj was worried that an experimental drug he was considering might affect his rationality, but Sheldon encouraged him to take it anyway: The subsequent trauma apparently cures his mutism, and he Siegermatic 22 be ersatz homosexual relationship he can talk 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 whose father has been revealed on the show until the ninth season, as Sheldon's father is deceased, Howard's father abandoned him when he was 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 believe that there is not a single Outback Steakhouse 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 "Siegermatic 22 be ersatz homosexual relationship" servants, and that two of them were children.
In one 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 two 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 Siegermatic 22 be ersatz homosexual relationship. 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.
Siegermatic 22 be ersatz homosexual relationship, 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. the season 7 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 the 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.