Continuity mistake: During the road trip to Fort Knox, Brain uses a system of pulleys to operate the minivan's steering wheel. After passing a truck stop, Brain becomes drowsy and in the next shot is seen holding the left pulley handle differently.
Continuity mistake: When Pinky and Brain are sneaking out of Acme Labs to commandeer the red minivan, Pinky's spoon and brown sack both disappear between shots.
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