Nurse Sikal was a Vulcan Starfleet officer who was assigned to the medical division aboard the USS Endeavour in the 2260s.

Following an attack on the Endeavour while she was in orbit of Erilon, Sikal reported to the bridge to treat any injured personnel there. (VAN novel: Summon the Thunder)

USS Endeavour personnel
USS Endeavor (alternate reality)	Jaxa
USS Endeavour (Icarus-class)	Shannon
USS Endeavour (Constitution-class)	sh'Dastisar • Estrada • B. Griffin • Halse • A. Khatami • S. Klisiewicz • K. LaMartina • J. La Sala • A. Leone • B. Malmat • M. McCormack • P. McGibbon • B.g. Mog • Muller • Nauls • Neelakanta • Nelson • Norton • M. Rice • th'Shendileth • Z. Sheng • Sikal • K. Stano • Stano • T'Pes
USS Endeavour (NCC-71805)	J. Amasov • C. Barnes • N. Kyprios