What was the name of the high school vice-principal in the American comedy film "Ferris Bueller's Day Off"?

"Ferris Bueller's Day Off" is a 1986 American teen comedy film written, co-produced, and directed by John Hughes, and co-produced by Tom Jacobson. The film stars Matthew Broderick as Ferris Bueller, a high-school slacker who skips school for a day in Chicago.

Jeffrey Jones performance as Vice-Principal Edward R. Rooney in "Ferris Bueller's Day Off" made him a cultural icon. Rooney, self-important and obsessed with catching the chronic truant, became a symbol of pomposity and authoritarian hatefulness. Ed Rooney is suspicious of Ferris Bueller skipping school for the 9th time, so he goes out to catch him once and for all, but then ends up getting humiliated.

Released by Paramount Pictures on 11 June 1986, the film became one of the top-grossing films of the year and was enthusiastically acclaimed by critics and audiences. In 2014, the film was selected for preservation in the National Film Registry by the Library of Congress, being deemed "culturally, historically, or aesthetically significant".