Well? 
And yet another SDMB Member posts whilst tragically undermedicated. :dubious:
Hey, I’ll play (although I agree with the “undermedicated” theory!)
“Spearchucker” Jones
Hey, everyone needs a hobby.
Colonel Flagg.
Sidney the shrink.
Hawkeye Peirce
Pearce. Sorry, my wife can’t spell.
She probably expects to see an extra ‘u’ in there or something.
Corporal Maxwell Q. Klinger
Coporal Lance Spaulding, wonderfully played by folksinger Loudon Wainwright III
That’s Dr. Sidney Freidman.
Donald Penobscot.
Margaret “Hot Lips” Houlihan (sp?)
He asked me how to spell a word. How was I supposed to know he meant the name? You’re supposed to be on my side, did you forget that? 
Colonel Sherman Tecumseh Potter
Radar O’Reilly
Captain Jonathan R. Tuttle
I hope Capt. Tuttle counts as a character for this thread.
Maj. Charles Emerson Winchester III
Nurse Kelley
Major Charles Emerson Winchester III