If a monster has a really dangerous tail swipe move, break the tail and it can't do it anymore. (the-arcade.ie)
I did feel Dory felt faster while playing through the level, however I did find both characters much less enjoyable in the toy box as the bubble attack and tail swipe attacks feel odd and much like the Inside Out emotions, fun in the playset but underpowered compared to the Superheroes and Jedi's. (diskingdom.com)
Not only can it do the backflip tail swipe, but it also will now move horizontally during it as well, making you much more likely to be hit by it. (ign.com)