There is, but not in the demo. You'll have to find the SurfBoard item however.
There's three forms in total, with another form changing item "hidden" somewhere. It shouldn't be that hard to find.
Abilities=THICKFAT,KEENEYE
BSTs: HP:80/ATK:80/DEF:80/SPD:105/SATK:80/SDEF:80
Moves=1,TACKLE,3,LEER,9,DEFENSECURL,13,ROLLOUT,17,TRICK,22,SWIFT,27,FEATHERDANCE,30,SLASH,33,FIREPUNCH,37,WORKUP,37,GRAVITY,40,TRIATTACK,44,AQUATAIL,49,ICEBEAM,49,LIGHTSCREEN,54,BATONPASS,54,AGILITY,59,DRAINPUNCH,63,MEGAKICK,69,RAINBOWSLAM(120 BP PHY MOVE, Type changes based on held plate)