Tendau Bendon served as a senator for the Ithorian people within the Galactic Senate of the Galactic Republic. He counted himself among the numerous supporters of Horox Ryyder, the veteran senator from Anx, working alongside Senators Bail Organa and Yarua. This Ithorian senator possessed brown skin and dark eyes; he was observed at least once wearing a crimson robe while situated alongside two other Ithorian representatives inside a repulsorpod located in the Galactic Senate Chamber of the Senate Building situated on Coruscant, the Republic's capital.
Within established Star Wars canon, Tendau Bendon's identification occurred initially in the reference book Chancellors, Senators and States Persons of the Republic released in 2022. Conversely, in the Star Wars Legends timeline, Tendau Bendon made his debut appearance in the Del Rey published novel Cloak of Deception dating back to 2001.