On the 1950s and 1960s TV Western Bonanza, what was the nickname of Michael Landon’s character, Joseph Cartwright?

Little Joe is the answer. On Bonanza, Michael Landon played Joseph Cartwright, the youngest son in the Cartwright family led by Ben Cartwright. The classic TV Western began on NBC in 1959 and centered on family, ranch life, and frontier stories connected to the Ponderosa Ranch, making Little Joe one of the show’s most familiar characters across 1950s and 1960s television.

Little Joe Cartwright

Little Joe was the nickname used for Joseph Cartwright on Bonanza. The name helped distinguish him from his older brothers, Adam and Hoss, and reinforced his place as the youngest of Ben Cartwright’s sons. Little Joe was often written as energetic, emotional, and quick to act. That character position gave him a clear role within the Cartwright family setup.

Michael Landon on Bonanza

Michael Landon played Joseph “Little Joe” Cartwright. The role made Landon widely recognizable to television audiences well before his later work on other major TV series. His performance gave Little Joe a mix of youthful charm and impulsiveness that fit the family-driven Western format. Landon’s presence became one of the main reasons the character stayed strongly associated with Bonanza.

The Cartwright Family and the Ponderosa

Bonanza centered on Ben Cartwright, played by Lorne Greene, and his sons on the Ponderosa Ranch. The ranch setting gave the series a home base for stories about family loyalty, land, work, and conflicts in the American West. Little Joe’s role made sense within that structure because each Cartwright son brought a different personality to the family. The series began in 1959 and became one of television’s best-known Westerns.