Other mistake: At the start of the song, Iceland appears twice on the map, and in two different colors. Also, a large portion of Antarctica is cut off.
Other mistake: In the scene where Yakko, Wakko and Dot are sitting at their desks repeating Miss Flamiel's every word, Wakko is drawn without legs (only feet) during one shot.
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