Star Trek: Commanders of the U.S.S. Enterprise

Captain Christopher Pike
First commander of the starship Enterprise
First called Captain April, then Captain Water, and then Pike
Played by Jeff Hunter
Commanded Enterprise for 11 years, 4 months and 5 days
Spent his remaining years on the planet of Talos IV, with a 0.9 gravity of Earth
He is in the pilot episode The Menagerie (originally titled The Cage), which was shown in two parts in November 17 and 24, 1966.
His crew includes:
First Officer (Majel Barrett)
Navigator Jose Tyler (Peter Duryea)
Doctor Philip Boyce (John Hoyt)
Yeoman J.M. Colt (Laurel Godwin)
Mr. Spock (Leonard Nimoy)

Captain James T. Kirk
Second commander of the starship Enterprise,
with service number SC 937-0176 CEC (TV Series "Star Trek")
played by William Shatner
The "T" stands for Tiberius.
His quarters are on deck 5.
He was born in Iowa.