Chief McBrusque is an adversary of "An American Tail: Treasure of Manhattan Island". He is the secondary antagonist of the film.
He is the ferocious, overweight, harsh and very strict chief of the NYPD (New York City Police Department). He enjoys beating and causing trouble to the other mice of New York. He, like the factory owners are suspicious of Papa and see him as a trouble-maker. When he followed Fievel, Tony Toponi, and Tanya to the underground cave, there was a battle between the Indians and the police. Eventually the police surrendered and were believed to have left. Then as Fievel was about to set the gun powder McBrusque and Scuttlebutt returned for round two only to drown in the river after Fievel set the gun powder. He has never been heard of ever since