User blog comment:Bowser & Jr./Leavin' for Disneyland tomorrow/@comment-5199131-20140201003902/@comment-4059089-20140201183721

There's evidence that they have done it in the past. Multiple sources say it stopped due to it potentially damaging the suits (or the workers).

http://temporarytourist.com/myths-of-walt-disney-world-were-testing/

http://www.snopes.com/disney/parks/andyscoming.asp http://www.andpop.com/2013/03/27/andys-coming-myth-debunked/