Chhay

Doctor Chhay was a human doctor and scientist in the 23rd century. Chhay became a mentor to Leonard H. McCoy during the 2240s, and the two became great friends. When McCoy went AWOL in 2264, Captain James T. Kirk contacted Chhay to ask if he had seen or heard from McCoy, which he hadn't.

(TOS novel: ''Enterprise: The First Adventure