Rajesh "Raj" Ramayan Koothrappali, Ph.D.

Rajesh "Raj" Ramayan Koothrappali, Ph.D. is a brilliant, socially awkward astrophysicist who is one of the four main characters on the CBS sitcom The Big Bang Theory. He is played by British actor Kunal Nayyar. Raj is a kind and caring friend, but he can also be quite self-absorbed. He is often seen as the voice of reason in the group, but he can also be quite impulsive. He is also known for his love of food, especially Indian food. Raj is a complex and well-developed character who has become a fan favorite over the years. He is a great example of how a character can be both funny and relatable.