Question: Which American actor played fraternity president "Lewis Skolnick" in the "Revenge of the Nerds" comedy films?

Context articles: Robert Carradine
Triumph of the Nerds
Revenge of the Nerds
Revenge of the Nerds IV: Nerds in Love
King of the Nerds (season 3)
King of the Nerds (season 2)
J. Washington Moore
Donald Gibb
King of the Nerds
King of the Nerds (season 1)

Robert Reed Carradine (born March 24, 1954) is an American actor.
 The youngest of the Carradine family, he made his first appearances on television western series such as "Bonanza" and his late brother David's TV series, "Kung Fu".
 Carradine's first film role was in the 1972 film "The Cowboys", which starred John Wayne and Roscoe Lee Browne.
 Carradine also portrayed fraternity president "Lewis Skolnick" in the "Revenge of the Nerds" series of comedy films.
 He is best known for his roles as Sam McGuire in "Lizzie McGuire", Donald Keeble in "Max Keeble's Big Move", and Van Helsing in "Mom's Got a Date with a Vampire".
Triumph of the Nerds is a 1996 British/American television documentary, produced by John Gau Productions and Oregon Public Broadcasting for Channel 4 and PBS.
 It explores the development of the personal computer in the United States from World War II to 1995.
 The title "Triumph of the Nerds" is a play on the title of the 1984 comedy "Revenge of the Nerds".
 It was first screened as three episodes between 14 and 28 April 1996 on Channel 4, and as a single programme on 16 December 1996 on PBS.
Revenge of the Nerds is a 1984 American comedy film from 20th Century Fox, produced by Ted Field and Peter Samuelson, directed by Jeff Kanew, and starring Robert Carradine and Anthony Edwards, with Curtis Armstrong, Ted McGinley, Julia Montgomery, Brian Tochi, Larry B. Scott, Michelle Meyrink, John Goodman, and Donald Gibb.
Revenge of the Nerds IV: Nerds in Love is a 1994 sequel to the 1984 comedy "Revenge of the Nerds" and the follow-up films in 1987 and 1992.
The third and final season of King of the Nerds aired on TBS from January 23, 2015 to March 13, 2015.
 Inspired by the "Revenge of the Nerds" films, the season was hosted by actors and executive producers Robert Carradine and Curtis Armstrong, known for their roles as Lewis Skolnick and Dudley "Booger" Dawson, respectively, in "Revenge of the Nerds".
The second season of King of the Nerds aired on TBS from January 23, 2014 to March 13, 2014.
 Inspired by the "Revenge of the Nerds" films, the season was hosted by actors and executive producers Robert Carradine and Curtis Armstrong, known for their roles as Lewis Skolnick and Dudley "Booger" Dawson, respectively, in "Revenge of the Nerds".
J. Washington Moore (1866-1965) was an American fraternity president, lawyer and politician.
 He served as the Eminent Supreme Archon (President) of Sigma Alpha Epsilon from 1891 to 1894.
 He was a member of the Tennessee House of Representatives in 1903.
 He served as the City Attorney for Nashville, Tennessee in the 1930s.
 He served as United States Commissioner from 1942 to 1963.
Donald Richard Gibb (born August 4, 1954), sometimes credited as Don Gibb, is an American actor, best known for his roles as the hulking, dimwitted fraternity brother Ogre in several installments of the "Revenge of the Nerds" film series, as Ray Jackson in "Bloodsport" and as Leslie Dr. Death Krunchner on the HBO sitcom "1st & Ten".
King of the Nerds is an American reality competition series co-produced by Electus and 5x5 Media.
 It is inspired by the "Revenge of the Nerds" films.
 The show is hosted by actors and executive producers Robert Carradine and Curtis Armstrong, known for their roles as Lewis Skolnick and Dudley "Booger" Dawson, respectively, in "Revenge of the Nerds".
 The series premiered on January 17, 2013, on TBS.
 The show features nerds and geeks with diverse backgrounds and interests competing in various challenges for a cash prize of US$ and the title of "King of the Nerds".
 Following a three-season run, the series was cancelled by TBS.
The first season of King of the Nerds aired on TBS from January 13, 2013 to March 7, 2013.
 Inspired by the "Revenge of the Nerds" films, the season was hosted by actors and executive producers Robert Carradine and Curtis Armstrong, known for their roles as Lewis Skolnick and Dudley "Booger" Dawson, respectively, in "Revenge of the Nerds".