W. Sidarous was a Starfleet officer in the 23rd century.
Sidarous was named as one of the yard engineers at the San Francisco Yards who were listed on the dedication plaques of the USS Enterprise. (DIS: "Such Sweet Sorrow", dedication plaque; SNW: "Strange New Worlds")
This character was only mentioned in writing.
This officer was named after first assistant director Woody Sidarous.