Gem is Ranger Operator Series Gold, or simply Ranger Gold, of the Ranger Operators in Power Rangers RPM. His operation number is seven.
Retroactively, he is also referred to as the RPM Gold Ranger or Gold RPM Ranger, though these are in reference to the show as opposed to proper labels.
Ranger Operator Series Gold has been suggested to play 6 roles. Click below to see other actors suggested for each role, and vote for who you think would play the role best.
