43 Facts About Raj Koothrappali

Raj Koothrappali is one of four characters in the show, alongside Howard Wolowitz, Sheldon Cooper, and Leonard Hofstadter, to appear in every episode of The Big Bang Theory.

Raj Koothrappali is based on a computer programmer that the show's co-creator, Bill Prady, knew back when he himself was a programmer.

Raj Koothrappali had selective mutism, which did not allow him to talk to women outside of his family unless he was under the influence of alcohol, until the season 6 finale.

Raj Koothrappali was born into a wealthy family and has five siblings, one of whom is Priya, a former on-off girlfriend of Leonard.

Raj Koothrappali 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.

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Raj Koothrappali wore a red cap in the pilot episode, but has not worn any headgear on a regular basis for the rest of the series' run.

Between seasons two and eleven, Raj Koothrappali styled his naturally curly hair with hair straighteners and hair gel "while trying to blend in" .

When socializing with his friends, despite his Indian accent, Raj Koothrappali is noted for using slang and using the word "dude", although on some occasions he appears to not understand American slang.

Raj Koothrappali speaks fluent Hindi, but according to Sheldon, his mother tongue is English.

When Raj Koothrappali offers to teach Sheldon Hindi, and Sheldon in turn demonstrates his Hindi skills which learnt when he was eight, Raj Koothrappali admits that he never learned Hindi.

Raj Koothrappali stated he has selective mutism in the episode "The Cornhusker Vortex".

Raj Koothrappali was able to speak in the presence of women only when they were part of a crowd, if he had been drinking alcoholic beverages, if he was under influence of other drugs, if he was unaware of their presence, or if the woman is deaf.

Raj Koothrappali observed that this was an improvement over his previous affliction, in which the presence of women caused him to lose bladder control.

Raj Koothrappali had no problem speaking to his mother, sisters, or other female relatives.

Raj Koothrappali sometimes whispered what he wanted to say to Howard or Leonard, who then repeated his words or responded to his question out loud.

In some episodes, Raj Koothrappali took to carrying a hip flask with him to counter his problem, while in other episodes that required him to speak with Penny or other women present, he was usually shown doing so with a beer or wine glass near him to indicate he had consumed alcohol .

Raj Koothrappali experimented with medications that suppressed social anxiety, but they tended to have side effects.

When Sheldon's sister Missy visited, Raj Koothrappali took medicine that enabled him to speak to her, but it resulted in involuntary repetitive hand motions.

Raj Koothrappali 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 marrying Penny.

Raj Koothrappali observes that they are "Richie Rich rich", which he explains is "halfway between Bruce Wayne and Scrooge McDuck".

In one episode, Raj Koothrappali tries to avoid returning to India for his cousin's wedding, as Raj Koothrappali's parents have arranged a date for him.

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 .

Raj Koothrappali is an astrophysicist in the Physics Department at Caltech, best known for a publication on Kuiper belt object size distribution.

Raj Koothrappali ended up working alongside Sheldon, "exploring the string theory implications of gamma rays from dark matter annihilations".

Raj Koothrappali stated that his career in astrophysics and a possible career in party planning was "always a coin flip".

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Raj Koothrappali later verifies that the object is a new comet and claims sole discovery for it, angering Penny who thinks she should be named as co-discoverer.

Raj Koothrappali once dated Lalita Gupta, a childhood friend, in an arrangement made by his parents.

Raj Koothrappali is the only one, out of 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 Koothrappali are on a train to San Francisco, the latter three tried talking to actress Summer Glau, who they see is in their train car.

Raj Koothrappali reveals that he once had a girlfriend, after Leonard claims that the two of them were the only ones without them.

Raj Koothrappali has an infatuation with Howard's girlfriend, Bernadette, and is visibly unhappy when she accepts Howard's marriage proposal.

Raj Koothrappali often takes up the stereotypically "female" role in arguments with Howard, once expressing his displeasure at Howard constantly ditching him to chase women.

In season 5, Raj Koothrappali buys a new iPhone and quickly develops feelings for the computerized personal assistant, Siri.

Later in season 5, Penny believes she has found the perfect match for Raj Koothrappali by having him meet a woman who is deaf: however, it turns out she only dated Raj Koothrappali for his money and leaves him when he tells her that his parents will cut off financial ties with him if they continue to see each other.

Finally, in despair, Raj Koothrappali asks his parents to find him a potential bride for an arranged marriage.

Raj Koothrappali reflects upon these fantasies by observing that he is "definitely not gay".

Raj Koothrappali describes his own psychological problems, and they agree to have a formal date.

However, in the season 6 finale "The Bon Voyage Reaction", Lucy feels too pressured by Raj Koothrappali to meet his friends, and a dinner between Lucy, Raj Koothrappali, and Amy does not go well.

Penny suggests that this lament is attributed to alcohol, but Raj Koothrappali says he that he has not had a drink since the night before: he is finally cured of his selective mutism.

Raj Koothrappali subsequently stays with his friends in America, presumably ending his relationship with Anu.

Raj Koothrappali did not appear in the original, unaired series pilot, which only featured Leonard, Sheldon, and a different version of the Penny character, called Katie.

When doing scenes in which Raj Koothrappali must consume alcohol in order to speak, Nayyar would drink non-alcoholic substitutes.

When scenes called for Raj Koothrappali to drink grasshoppers, the substitute was a concoction of water, cream and a heavy amount of green food coloring.