Columnist Bugs is a pseudonym used by the American cartoonist and animator, ANN Koffsky. She is best known for her work on the Looney Tunes and Merrie Melodies series of cartoons produced by Warner Bros. She has also worked on other animated films such as The Iron Giant and The Simpsons Movie. Her work has been featured in publications such as The New Yorker, The Washington Post, and The Wall Street Journal.