Who is Sasha on the TV show Scrubs?

There is no character named Sasha on the TV show Scrubs. It's possible you are thinking of a different character or show.

Could you perhaps be thinking of:

* Dr. Laverne Roberts, played by Aisha Tyler? She is a psychiatrist who is the love interest of Dr. Turk.

* Janitor (whose real name is never revealed), played by Neil Flynn? He's the sarcastic and mysterious janitor of Sacred Heart Hospital.

* Dr. Molly Clock, played by Sarah Chalke? She is a surgeon who is the love interest of Dr. J.D.

Please clarify who you're referring to, and I can give you more information.