Is it a Pseudonym or an alias?

It's kind of fun to think about renaming my doctors for the purpose of privacy here. I renamed my primary care physician Dr. Kildare after TV's Richard Chamberlain from the 1970s. Sympathetic, reassuring, confident and calm. Of course, my first orthopod was not named Evel Knievel. I dubbed him that because of his love for riding motorcycles. And my new orthopod, Dr. Kai, is not an Hawaiian ukelele player. He loves the ocean and the waves.

Are there some "doctor" names that bring such an emotional response to them that a young medical student might rush to change his surname?  Dr. (Henry) Jekyll or Dr. (Hannibal) Lecter would turn heads if paged in the hospital. Dr. (Yuri) Zhivago or Dr. (Ben) Casey might turn a few hearts.  Dr. (Richard) Kimble would have us looking for a one-armed villain and Dr. (Frasier) Crane would just be way too stuffy, even for a psychiatrist. (Trapper) John McIntyre and Benjamin Franklin (Hawkeye) Pierce would leave the surgery in stitches. And would young Dr. Howser automatically be nicknamed  Doogie?

Does the name make the person or does the personality make the name what we associate with it?

By the way, what was Dr. Kildare's first name?

Willet (is it a nom de guerre or a nom de plume?)