Question: What was the name of the character played by Dan Blocker in the second-longest running western series on U.S. network television?

Context paragraphs:
Tobacco Road (novel): Tobacco Road is a 1932 novel by Erskine Caldwell about Georgia sharecroppers.  It was dramatized for Broadway by Jack Kirkland in 1933, and ran for eight years, an astounding feat for a non-musical, and remains the second-longest running play in Broadway history.  A 1941 film version, deliberately played mainly for laughs, was directed by John Ford, and the storyline was considerably altered.  The novel itself was included in "Life" magazine's list of the 100 outstanding books of 1924–1944.

The Hazel Scott Show: The Hazel Scott Show was an early American television program broadcast on the now defunct DuMont Television Network.  The series, hosted by Hazel Scott, ran during the summer of 1950, and is most notable for being the first U.S. network television series to be hosted by any African American.

Tobacco Road (play): Tobacco Road is a play by Jack Kirkland first performed in 1933, based on the 1932 novel of the same name by Erskine Caldwell.  The play ran on Broadway for a total of 3,182 performances, becoming the longest-running play in history at the time.  As of 2014, it was still the 18th longest-running Broadway show in history, as well as being the second-longest running non-musical ever on Broadway.

Bonanza: Bonanza is an NBC television western series that ran from 1959 to 1973.  Lasting 14 seasons and 431 episodes, "Bonanza" is NBC's longest-running western, and ranks overall as the second-longest-running western series on U.S. network television (behind CBS's "Gunsmoke"), and within the top 10 longest-running, live-action American series.  The show continues to air in syndication.  The show is set around the 1860s and it centers on the wealthy Cartwright family, who live in the area of Virginia City, Nevada, bordering Lake Tahoe.  The series stars Lorne Greene, Dan Blocker, Michael Landon, Pernell Roberts (who left after six seasons), and later David Canary and Mitch Vogel.  The show is known for presenting moral dilemmas.

James H. Allen: James H. Allen (May 15, 1928 – July 28, 2015) was an American actor who portrayed the clown character Rusty Nails and was the host of various children's television shows in the Portland, Oregon television market from 1957–1972.  His program on KPTV was the second-longest running children's program in Portland, second only to Ramblin' Rod Anders.

The Cockeyed Cowboys of Calico County: The Cockeyed Cowboys of Calico County is a Western comedy film released in April 1970 for Universal Studios, by directed by Anton Leader and Ranald MacDougall, and starring Dan Blocker and Nanette Fabray, with a supporting cast featuring Jim Backus, Mickey Rooney, Wally Cox, Jack Elam, Noah Beery, Jr. and Don "Red" Barry.  MacDougal wrote the screenplay.  This movie is in the public domain.

Women's PGA Championship: The Women's PGA Championship is the second-longest running golf tournament in the history of the Ladies Professional Golf Association, surpassed only by the U.S. Women's Open.  Founded in 1955, it is one of five majors on the LPGA Tour.  It is not recognized as a major by the Ladies European Tour, which does not recognize any of the three majors played in the United States.

Dirk Blocker: Dennis Dirk Blocker (born July 31, 1957), better known as Dirk Blocker, is an American actor.  The son of actor Dan Blocker and Dolphia Lee Blocker ("née" Parker), he currently co-stars as Detective Hitchcock on the Fox comedy series "Brooklyn Nine-Nine".  He was a regular on "Baa Baa Black Sheep" (1976-1978), playing pilot Jerry Bragg.

O'Donnell Heritage Museum: The O'Donnell Heritage Museum is a local history repository in O'Donnell in Lynn County in West Texas.  A part of the museum includes a room of exhibits on the actor Dan Blocker, who portrayed the Hoss Cartwright character for thirteen years on NBC's "Bonanza".  Blocker was reared in O'Donnell though born in DeKalb in East Texas.  Because of the Blocker room and memorabilia, the facility is sometimes called "The Dan Blocker Museum."

Dan Blocker: Bobby Dan Davis Blocker (December 10, 1928 – May 13, 1972) was an American television actor and Korean War veteran.  He is best remembered for his role as Hoss Cartwright in the NBC Western television series "Bonanza".

Supporting paragraphs: Dan Blocker Bonanza
Answer: Hoss Cartwright