News from Toontown.com: Knock-Knock Joke Contest April Toons' Day is coming, and the Toon Council thought what better way to celebrate this wacky Toon holiday than by making Toons laugh! So, we are hosting a contest and inviting Toons to create knock-knock jokes that will be installed into three doors in Toontown! To enter, write a Toontown-themed knock-knock joke and submit it between now and March 4, 2009. The top three knock-knock jokes will be installed into three knock-knock doors in Toontown in time for April Toons' Day! Click here for Official Rules and details on how to enter.