Giotto, Lt. Commander

Star Trek: The Original Series
Episode: TOS 026 - Devil in the Dark, The

In 2267, Giotto was a member of the U.S.S. Enterprise security team dispatched to Janus VI.

While there, Giotto lead a detail in search of the Horta. He also kept the growing team of miners at bay, while Captain Kirk and Mr. Spock attempted to communicate with the silicon-based creature.