John Ross Ewing, Jr., more commonly known as J. R. Ewing, played by Larry Hagman

Larry Hagman

Larry Martin Hagman is an American film and television actor, producer and director known for playing J.R. Ewing in the 1980s primetime television soap opera Dallas and Major Anthony "Tony" Nelson in the 1960s sitcom I Dream of Jeannie.-Early life and career:Hagman was born in Fort Worth, Texas...

, was a central, nefarious figure on the hit CBS

CBS

CBS Broadcasting Inc. is a major US commercial broadcasting television network, which started as a radio network. The name is derived from the initials of the network's former name, Columbia Broadcasting System. The network is sometimes referred to as the "Eye Network" in reference to the shape of...

 television series Dallas

Dallas (TV series)

Dallas is an American serial drama/prime time soap opera that revolves around the Ewings, a wealthy Texas family in the oil and cattle-ranching industries. Throughout the series, Larry Hagman stars as greedy, scheming oil baron J. R. Ewing...

(1978–1991). J. R. was a covetous, egocentric, and amoral oil baron, who was constantly plotting subterfuges to plunder his foes and their Texas-sized wallets.

The concept was a blend of Bonanza

Bonanza

Bonanza is an American western television series that both ran on and was a production of NBC from September 12, 1959 to January 16, 1973. Lasting 14 seasons and 430 episodes, it ranks as the second longest running western series and still continues to air in syndication. It centers on the...

with a rich, western patriarch and his three dissimilar sons, and Romeo and Juliet

Romeo and Juliet

Romeo and Juliet is a tragedy written early in the career of playwright William Shakespeare about two young star-crossed lovers whose deaths ultimately unite their feuding families. It was among Shakespeare's most popular archetypal stories of young, teenage lovers.Romeo and Juliet belongs to a...

with two star-crossed lovers whose families are sworn enemies.