The Oscar-winning director shows his softer side in this doodle of a heart housed ... in some sort of horse stable? We're not sure, but our best guess is that it's supposed to be the bridge from "Bridges of Madison County."
For a fun look at all things Eastwood, check out ClintEastwood.net.
Vonnegut's famous doodled self-portrait also served as his autograph. Look closely at his ear and you'll see the late, great author's scribbled signature.
You can purchase original Vonnegut artwork at Vonnegut.com.
Lennon originally wanted to be an artist, so it's no surprise that he spent much of his spare time doodling. "Why Me?" was drawn by the former Beatle in 1978. According to Yoko Ono, John "often said there were two types of people: why me? and why not?"
Check out more of his pieces at JohnLennonArtwork.com.
RELATED: Hunter S. Thompson's Illustrated Man
Not surprisingly, the multitalented author, actor, banjo player and comedic genius can also put together a pretty good doodle.
See more of his work at SteveMartin.com.
Robin Williams' famous rants nicely translate to the page. This piece, judging by the scribbled verbiage in the middle of the page, is apparently entitled, "I have a heart on."
Check out the latest Williams news at RobinWilliams.com.
We can only guess what mood the neurotic director was in when he doodled this broken heart, but it's certainly not as funny as his earlier works.
For all things Woody, go to WoodyAllen.com.
Should it be any surprise that a man who married four times should be thinking about love while absent-mindedly doodling?
Carson's drawing was part of a collection in an auction the late restaurateur Harvey Baskin held to raise funds for the American Heart Association.
Hearts seem to be a popular object for celebrity doodlers, but Dick Clark couldn't help adding a little rock and roll in the form of a lightning bolt to his drawing.
If you feel like getting a little misty-eyed, check out this touching tribute to the famous DJ here.
The funny daytime talk show host drew this crowd of people in what can only be assumed to be a sampling of her audience watching her do one of her famous dances.
Enjoy some of her live-action humor on EllenTV.com.
A very impressive doodle from the great actor, was made all the more enjoyable by his handwritten note at the bottom which reads, "What did you expect, Van Gogh?"
For a fun refresher, check out the 96-year-old actor on IMDB.
The late, great George Burns kept up the heart theme, but added his trademark cigar.
Watch a clip of "The George Burns and Gracie Allen Show" here.
The former "Full House" star has tried his hardest over the past few years to shed his wholesome image with a very blue stand-up act, so we were grateful this happy doodle was suitable for publishing.
See more Bob Saget news and tour dates at BobSaget.com.
The "Murphy Brown" star doodled these stylish women for charity, and she wasn't the only one.
To see more celebrities doodling for a cause cause, check out the Doodle 4 NF Facebook page.
Joan Rivers can be brutally intimidating with her acidic wit and sharp tongue, but her doodles of these precious pups hint at a softer side.
Catch up with her at Joan.co.
Mary Tyler Moore
Mary Tyler Moore captures the spirit of her personality perfectly in this free-spirited, fun doodle of a leaping stick figure with flowers.
Enjoy a classic episode from "The Mary Tyler Moore Show," which originally aired in 1974, here.
The great crooner evokes a sense of reflection and love in this quaint doodle of the Golden Gate Bridge.
What's Tony been up to these days? A lot, actually. Check it out here.
The great comedienne recently doodled this beautiful piece for Doodle 4 NF, an organization which holds an annual fundraiser for the Neurofibromatosis Network.
Check out more of her art, writing, photos and videos at LilyTomlin.com.