The first of three volumes collecting the complete Simpsons Treehouse of Horror comics by creator Matt Groening, packaged in a deluxe, die-cut slipcase that glows in the dark The Treehouse of Horror started as an annual Halloween tradition on The Simpsons, beginning during the second season in 1990. In fall 1995, the first of 23 comics were produced by Bongo, telling new stories written and illustrated by some of the biggest names in comics, including Michael Allred (Madman),