Worf
| Worf wo'rIv | |
|---|---|
| Star Trek character | |
| Worf as he appears during Star Trek: The Next Generation's seventh season | |
| First appearance | 
 | 
| Last appearance | "The Last Generation" (2023; Star Trek: Picard) | 
| Created by | Gene Roddenberry D. C. Fontana | 
| Portrayed by | Michael Dorn | 
| In-universe information | |
| Nicknames | "Son of Mogh" (The Next Generation) "Microbrain" (The Next Generation)  | 
| Species | Klingon | 
| Affiliation | |
| Family | Biological family Colonel Worf (grandfather) Mogh (deceased father) Kurn (brother) Adoptive family Sergey Rozhenko (father) Helena Rozhenko (mother) Nikolai Rozhenko (brother) Jeremy Aster (R'uustai Brother) | 
| Spouse | Jadzia Dax (deceased) | 
| Significant other | K'Ehleyr (deceased) | 
| Children | Alexander Rozhenko | 
| Posting | 
 | 
| Position | 
 | 
| Rank | 
 | 
Worf, son of Mogh is a fictional character in the Star Trek franchise, portrayed by actor Michael Dorn. He appears in the television series Star Trek: The Next Generation (TNG), seasons four through seven of Star Trek: Deep Space Nine (DS9), and the third and final season of Star Trek: Picard, as well as the feature films Star Trek Generations (1994), Star Trek: First Contact (1996), Star Trek: Insurrection (1998), and Star Trek: Nemesis (2002).
Worf is the first Klingon main character to appear in Star Trek. In 11 seasons as a regular character on TNG , DS9, and Picard Worf has appeared in more Star Trek franchise episodes than any other character.