Mr. Marionette is the french teacher at Finnegan High School.
Section heading
His first appearance in Mr. Moth and his only line is "I heard that! Lousy kids." He appears again in Mr. Alligator. In both episodes he appeared in, someone was ridiculing his teaching.
Trivia
He is the 3rd worst teacher in the school, with Mrs. Straupersson being 2nd, and Mr. MT Chair as 1st.