Principal Trugly is the principal at Kennedy High School, the school which Alexa and Katie attends. She is assumed to have been teaching at Kennedy High since Dave was in school. She is feared by most students and parents. Trugly was first seen in Bad Hair Day when Alexa and Katie teepee'd her house and suspends both of them. She is portrayed by Meagen Fay.
S1 : E1 Bad Hair Day