I use a up attack and hit her out of it. It's really easy because that's all they do. Toro's oni up triangle just makes it like your hitting a volley ball up in the air over and over again :v
a simple up-square would do the trick,
it worked with Sir Dan and the Coles...
Tested it just now.
Neither of them are unblockable as it doesn't count as a charged move; either from falling short distance with it, falling long distance, or doing it on the ground.