Mac Blackout (born Mark Dunihue McKenzie on June 17, 1977) is an American visual artist and musician from Chicago, Illinois. The founding member of The Functional Blackouts, Daily Void, Mickey, New Rose Alliance and MBB (Mac Blackout Band), he's also known as a prolific solo recording artist. His projects have been released by Sacred Bones, HoZac, FDH, Pelican Pow Wow and many other prominent independent record labels. These genre defying recordings range from lo fi noise punk to catchy glam rockers.

Mac was born in Bedford, Indiana, later attending college at the Herron School of Art in Indianapolis, Indiana where he graduated with a BFA in 1999. During his high school and college years he became a well known street artist in the midwest underground. In 1999 he moved to Chicago, Illinois channeling his creative energies into music and the music related art of posters and album covers. From 2000 to present day he has formed several bands releasing more than 10 full length albums as well as a slew of singles in which he has designed many of the covers. He continues to front MBB. Mac is currently a freelance illustrator, muralist, and fine artist creating album covers, posters, drawings, prints, paintings, murals, and mixed media sculptures.