Mr. Bratt was your English high school teacher back at your school. You had a party with Isaiah and your other friends. Mr. Bratt was unfortunately not happy about he amount of people in HIS house. As everyone continues partying he pops in saying

Mr. Bratt: switch clicking “hey everyone!! Can anyone guess my costume? This year I decided to go as the owner of this house, which is currently being trashed by a bunch of teens. So everyone out or I’ll call the cops!!”