Guess the famous person, then add another

Charlie Parker (Parka)

these

are still open

Gamble Midler - Bette Midler
George Sapling - George Bush

How did you manage to leave out Penis VanLesbian?

Nice recap. Thanks, anyrose. I already mentioned that John Fade is John Wayne after the John Garth guess/answer.
The James Teacher is a real push. Think of other personages in a school or college.

David Athlete: think of clothing

Ouch: some other interjection

James Teacher - James Dean
David Athlete - David Letterman
Sandra Ouch - Sandra Oh

Nicely done.

Eastwood? But President?

As in “Clinton”.

Bong! Thanks, I suppose. Bit of a stretch, but surely within bounds. Good one in retrospect.

Of my remaining ones, here are some clues:

Sears – steak

Saltine – cracker

Snowball – precipitation

George Sears - George Burns

True

George Burns
Billy Graham
[Monte Hail?]

New Ones:
Chris Boulder.
Donald Beat.
Rosalind Murmur.

ETA: I was writing this up and didn’t see the Burns Submission.

Chris Boulder - Chris Rock
Donald Beat - Donald Trump

Correct on mine.

Chris Rock
Donald Trump
?
Rosalind Russell?

Whoops, I edit-added “Donald Trump” into my post before I saw that Zeldar had submitted it.

Zeldar and Indistinguishable are both correct on mine.

Natalie Anthracite.
Heavy-hearted Danner.
Jeremy Pressers.

A whole new batch:

Kevin Batshit
Kevin Lithuanian
Kevin Sausage
Sean Typewriter
Sherilyn Swamp
Shirley Church
Donna Stick
John Dwellings
Hugh Truck
Jean Lasvegas
Ray Chuck
Michael Didnotgetasmuchdirtoutastheother (please think this is clever!)

Natalie Cole
Blythe Danner
Jeremy Irons

Kevin Batshit - Kevin Spacey
Shirley Church - Shirley Temple
John Dwellings - John Holmes
Ray Chuck - Ray Charles?
Michael Didnot… - Michael Douglas

Right! And fast.