According to NY Post web site the cartoonist is Sean Delonas. Here is google cache from June 2008
Apparently he drew attention for running similar cartoons twice back in 2008
In what might be best described as Bad Cartoonist fodder, Sean Delonas, editorial cartoonists for the New York Post, is catching flack for drawing two near-identical cartoons that appear to be mirror images of each other.
In 2006 New York Post Publishes Second Anti-Gay Cartoon in Three Weeks
October 27, 2006
The New York Post does it again in its October 27 edition. Two days after the New Jersey Supreme Court ruled that discrimination against same-sex couples violates that state's equal protection requirement, the New York Post published a cartoon by Sean Delonas depicting a man carrying a sheep wearing a bridal veil to a "New Jersey Marriage Licenses" window
Update: found this on this flickr page with caption: "Sean Delonas, co-author of Scuttle's Big Wish, and NY Post editorial cartoonist at Aladdin's Lamp Bookstore, November 2006."
UPDATE 2: papers are picking up the story, boston.com
An uproar is brewing about an editorial cartoon in today's New York Post that appears to tie President Obama to a rampaging chimpanzee killed by police.
The cartoon, by Sean Delonas, shows a chimp splayed on the ground in a pool of blood. Two police officers stand over the body, one holding a smoking gun, and the second saying, "They'll have to find someone else to write the next stimulus bill."