Turner, also known under the alias of Ritchie Stevens and known as the Ultimate Agent, is a U.S. metahuman (electricity, others) and former special agent of the Metagene Cover and Control Agency (MCCA). As an MCCA agent, Turner typically wore a sleek black suit and tinted black sunglasses. As an EPS agent, Turner wore a fedora, a trench coat, and a red EPS jumpsuit.
When he was created, he was given the name Ritchie Stevens and a set of false memories. He believed that he had graduated at the top of his class at the police academy and then became a police officer before being recruited by the MCCA. His false memories also included being married to a young woman named Marisa, who was killed by a metahuman criminal. He also remembered having a friend, a fellow police officer named Patrick Walker, whom Turner remembered nominating into the MCCA. In fact, Turner's false memories were activated just before he went into the MCCA training program, and his supposed friend Walker was already an MCCA agent using an alias who was instructed to play along with Turner's false memories to reinforce the illusion of reality. During training, Turner also met Lorena Burgos, later Agent Lioness of the Mandelovian Security Corps. He introduced Walker to Burgos, and the two began dating. Walker supposedly died in service as an MCCA agent, but it is possible that he faked his death in order to go under deep cover.
As an MCCA agent, Turner was responsible for capturing metahumans for TriVext Corporation, or otherwise kill dangerous or difficult to control metahumans.