[The snowballs suddenly stop for a few minutes, as Stitch is busy curling himself up into a ball. A bounce and he's springing off a branch and colliding with the tree Frankenstein just climbed up, shaking all the snow lose onto whoever's in and under it, while Stitch careens off into the distance-!
Or he would be if another tree wasn't nearby. He smacks that one too and uncurls as he hits the ground, on all six legs as he quickly scans for where Frankenstein's gone]