Continuity mistake: After snapping out of Dr. Scratchansniff's hypnotic trance, Dot places both hands at her side. But by the next shot her hands are cupped together instead.
Other mistake: When Dot takes a swipe at Dr. Scratchansniff's purple couch, she somehow cuts five slices into it with only four claws.
Answer: According to the Animaniacs Wikia: "Baloney is one of the few people capable of truly terrifying Yakko, Wakko and Dot, largely due to being impervious to their violently physical brand of humour and his inability to understand how much they despise him."
lionhead