Tallus was a Romulan commander of a D'deridex-class warbird that was sent in 2366 to the Beta Stromgren system where the Gomtuu entity was present. (Decipher CCG: Premiere)

Tallus first attacked and later warned the USS Enterprise-D to leave Romulan Star Empire space. He would later attempt to make contact with Gomtuu and attack the living starship when it did not respond. His fate after Gomtuu's retailiation is unknown. (TNG episode: "Tin Man")

His name comes from the Collectable Card Game.