Cy (Cylon)
Cy is a Cylon Centurion from the Galactica 1980 episode "The Return of Starbuck" who strikes up a friendship with Lieutenant Starbuck. He is nicknamed Cy by Starbuck.and at the end of the episode, when three new Cylons arrive to rescue him, Cy calls himself "Group leader Cyrus".
Read more about Cy (Cylon): Galactica 1980 Appearance, Other Media