Question: What is the middle name of the fictional character, who used characters called spock and McCoy as his logical and emotional springboard, and who was captain of the starship USS Enterprise in an American Science fiction franchise which included an episode called Space Seed where the crew discover a sleeper ship holding superpeople from Earth's past? 

<P0-S0> James Tiberius "Jim" Kirk is a fictional character in the "Star Trek" franchise. <P0-S1>  Kirk first appears in "" and has been portrayed in numerous films, books, comics, webisodes, and video games. <P0-S2>  As the captain of the starship USS "Enterprise", Kirk leads his crew as they explore "new worlds, where no man has gone before". <P0-S3>  Often, the characters of Spock and Leonard McCoy act as his logical and emotional sounding boards, respectively. <SEP> <P1-S0> Star Trek is an American science fiction media franchise based on the television series created by Gene Roddenberry. <P1-S1>  The first television series, simply called "Star Trek" and now referred to as "", debuted in 1966 and aired for three seasons on the television network NBC. <P1-S2>  It followed the interstellar adventures of Captain James T Kirk (William Shatner) and his crew aboard the starship USS "Enterprise", a space exploration vessel, built by the interstellar federal republic United Federation of Planets in the twenty-third century. <P1-S3>  The "Star Trek" canon of the franchise includes "The Original Series", an animated series, five spin-off television series, and its film franchise in addition to further adaptations made in several media since the original. <SEP> <P2-S0> Star Trek III: The Search for Spock is a 1984 American science fiction film directed by Leonard Nimoy and based on the created by Gene Roddenberry. <P2-S1>  It is the third film in the "Star Trek" film series, and is the second part of a three-film story arc that begins with "" (1982) and concludes with "" (1986). <P2-S2>  After the death of Spock (Nimoy), the crew of the USS "Enterprise" returns to Earth. <P2-S3>  When James T. Kirk (William Shatner) learns that Spock's spirit, or katra, is held in the mind of Dr. Leonard "Bones" McCoy (DeForest Kelley), Kirk and company steal the "Enterprise" to return Spock's body to his home planet. <P2-S4>  The crew must also contend with hostile Klingons led by Kruge (Christopher Lloyd) who are bent on stealing the secrets of a powerful terraforming device. <SEP> <P3-S0> "Space Seed" is an episode of the American science fiction television series "". <P3-S1>  It is the 22nd episode of the and was first broadcast by NBC on February 16, 1967. <P3-S2>  "Space Seed" was written by Gene L. Coon and Carey Wilber and directed by Marc Daniels. <P3-S3>  Set in the 23rd century, the series follows the adventures of Captain James T. Kirk (William Shatner) and his crew aboard the Starfleet starship USS "Enterprise". <P3-S4>  In the episode, the "Enterprise" crew encounter a sleeper ship holding selectively bred superpeople from Earth's past. <P3-S5>  Their leader, Khan Noonien Singh (Ricardo Montalbán), attempts to take control of "Enterprise". <P3-S6>  The episode also guest stars Madlyn Rhue as Lt. Marla McGivers, who becomes romantically involved with Khan.