Takus was a male Klingon of the House of K'Tal in the 24th century. Prior to 2360, he was a member of the Klingon Defense Force, and was a recipient of the General Koord Medal of Honor for his role in a skirmish with the Romulans that year. Takus left the KDF in disgrace, though, due to a scandal involving a female under his command.
By 2375, Takus was working as chief engineer at the topaline processing plant on planet taD in 2375. In that year, he along with a colleague named Kiln attempted to disarm an al'Hmatti rebel bomb, and was killed in the effort. The explosion destroyed all but his right arm, which Captain Klag briefly considered having grafted onto his own shoulder, before opting to use the arm of his late father, instead. (TNG novel: Diplomatic Implausibility)