2013-present: Stitch's mask gets a slight modification with his mouth wide-open a bit to reveal his lower teeth. It debuted in the US parks in 2013 and Tokyo in 2015 as Stitch's double for shows and parades.
Disney On Ice, 2003-2015: This is an alternate lighter Stitch costume used in Disney on Ice's Passport to Adventure. His ears are slightly bigger than his head, and looks less furry. Also, the performer bobs his head to move the mouth.