Kunal Nayyar stars as Rajesh Koothrappali, an Astrophysicist that works with Sheldon and Leonard at Caltech. He is best friends with Wolowitz and lives in an apartment by himself.  Rajeesh is from India and communicates with his parents back at home via video conferencing software.

Rajeesh is a bit of a celebrity after he was named in People's "30 Under 30."  Rajeesh has major social anxiety and can only talk to women under the influence of alcohol.

Rajesh "Raj" Koothrappali Quotes

Leonard: Hi. I'm Leonard. You are beautiful. You pop, sparkle and buzz electric. I'm going to pick you up at eight, show you a night you will never forget.
Raj: Where are we going?

Oh, Bernadette, please play my clarinet.

Raj's poem

TBBT Quotes

Bozeman does have a comedy club called the Loony Bin. Please don't forward my mail there.

Sheldon

There once was a brave lad named Leonard, with a fie fie fiddle dee dee. He faced a fearsome giant while Raj just wanted to pee.

Sheldon (singing)