Question: The actor that plays Police Lt. Frank Drebin in "The Naked Gun 2½: The Smell of Fear" has portrayed how many different characters?

Context articles: Frank Drebin
List of Deltora Quest characters
Leslie Nielsen
Zeroman
The Naked Gun: From the Files of Police Squad!
The Naked Gun 2½: The Smell of Fear
Police Squad!
The Creature Wasn't Nice
The Naked Truth (novel)
Naked Gun 33⅓: The Final Insult

Franklin "Frank" Drebin is a fictional character in the "Police Squad!
" series and the "Naked Gun" movies played by Leslie Nielsen.
 In 2008, Drebin was selected by "Empire Magazine" as one of "The 100 Greatest Movie Characters of All Time".
 In 2000, "TV Guide" named him to its list of the 25 greatest TV detectives, ranking him #23.
 He was also named by UGO.com as one of "The 100 Best Heroes of All Time".
The "Deltora" series features a wide line of characters, both important and minor.
 The series also features many different monsters and creatures that appeared in all of the many different books.
 This article is a list of the many different characters and creatures that have appeared in the Deltora series.
Leslie William Nielsen, OC (11 February 192628 November 2010) was a Canadian actor, comedian, and producer.
 He appeared in more than 100 films and 150 television programs, portraying more than 220 characters.
Zeroman is a Canadian animated television series that aired on the Canadian cartoon network Teletoon (in English) and on Télétoon (in French).
 It tells the adventures of incompetent sixty-six-year-old postman Les Mutton (voiced by Leslie Nielsen) who also happens to be the superhero known as Zeroman.
 As Zeroman, Les fights the crime that plagues Fair City in a similar fashion to Nielsen's Lieutenant Frank Drebin character in the "Naked Gun" series.
 Although a second season was once announced as in production, the death of Leslie Nielsen guaranteed that another season will not happen.
The Naked Gun: From the Files of Police Squad!
 (also known as simply The Naked Gun) is a 1988 American comedy film.
 The film stars Leslie Nielsen as the bumbling police lieutenant Frank Drebin.
 The film also stars Priscilla Presley, Ricardo Montalbán, George Kennedy, and O. J. Simpson.
The Naked Gun 2½: The Smell of Fear is a 1991 comedy film.
 It is the sequel to the 1988 film "" and the second installment in "The Naked Gun" film series.
 The film stars Leslie Nielsen as the comically bumbling Police Lt. Frank Drebin of "Police Squad!
".
 Priscilla Presley plays the role of Jane, with O. J. Simpson as Nordberg and George Kennedy as police captain Ed Hocken.
 The film also features Robert Goulet (who previously made a "special guest star" appearance on "Police Squad!")
 as the villainous Quentin Hapsburg and Richard Griffiths as renewable fuel advocate Dr. Albert S. Meinheimer (as well as his evil double, Earl Hacker).
 Zsa Zsa Gabor, Mel Tormé and members of the Chicago Bears have cameo roles.
Police Squad!
 is an American television comedy series broadcast on the ABC network in 1982, created by David Zucker, Jim Abrahams, and Jerry Zucker, and starring Leslie Nielsen as Frank Drebin.
 A spoof of police procedurals, the series featured Zucker, Abrahams and Zucker's usual sight gags, wordplay and non sequiturs.
 While a parody of many television shows and movies, it bore a particular resemblance to the Lee Marvin cop show, "M Squad" (especially the opening credits) and the late 1960s series "Felony Squad".
 Although cancelled after six episodes, the show spawned "The Naked Gun" film series.
 In 2013, "TV Guide" ranked it #7 on their list of 60 shows that were "Cancelled Too Soon".
The Creature Wasn't Nice (also known as "Naked Space" and "Spaceship") is a 1981 U.S. motion picture written and directed by Bruce Kimmel.
 The movie is a comedy farce satirizing extraterrestrial horror movies such as "Alien".
 It stars Leslie Nielsen in a role similar to those in the farcical comedies "Airplane" and "Naked Gun".
 It co-stars Cindy Williams, Gerrit Graham, and Patrick Macnee.
 It was released on VHS in 1983 under the title "Spaceship" to emphasize Nielsen's connection to "Airplane!"
, and released on DVD in 1999 to play up the connection to Nielsen's "Naked Gun" movies.
The Naked Truth, by the actor Leslie Nielsen and writer David Fisher, is a fictional autobiography allegedly telling the inside story of Nielsen's life and acting career.
 The book is written in the style of Nielsen's "The Naked Gun" series of films, with absurd statements describing him as one of the most important actors in the history of Hollywood.
 Released in 1993 by Pocket Books (a division of Simon & Schuster, Inc.), the book was a tie-in for the then forthcoming third installment of the "Naked Gun" series, "".
Naked Gun 33⅓: The Final Insult is a 1994 comedy film, and the third and final installment in "The Naked Gun" film series, which was based on the "Police Squad!
" television series.