He is the voice of Ernie the Giant Chicken, Buzz Killington, The Evil Monkey, and Al Harrington of Al Harrington's Wacky Waving Inflatable Arm-Flailing Tubeman Emporium & Warehouse. In commentaries, he has stated that he recorded the fast-talking segments in one or two takes without any form of audio editing.
Smith acted in many Rhode Island College Theatre productions, including one where he nearly cut off the finger of a fellow actor during a swordfight on stage. He also wrote and illustrated a regular feature in the school's paper, The Anchor. This feature was called, Joe Flynn and His Dog Spot. One April Fool's self-parody of this feature was titled, Joe Flynn and His Dong Spots.
Smith succeeded current The Today Show host Matt Lauer as the host of the Providence edition of PM Magazine in the early 1980s. Smith is the brother of Steve Smith of Steve Smith and the Nakeds.