The unnamed captain is an officer in the Planet Trade Organization who serves under King Cold as the commander of his elite soldiers. He is a minor antagonist in Dragon Ball Z.
The captain and several of his Elites accompanied King Cold in his search for Frieza's body. He soon sighted Frieza's body near some debris.
The captain was later part of the army Mecha Frieza and King Cold brought with them to attack Earth. Along with the other elites, he was killed by Future Trunks
The Unnamed Captain is first seen with wrist protectors but when he states that he found Frieza, his hands are covered with gloves. They switch back to wrist protectors for the remainder of appearances in the series.