The Man Called Flintstone

Fred's loyal best friend and comic foil, Barney is brash but brave. He sticks by Fred during the undercover mission, even when the plan puts him in danger. He endures capture and torture by the Green Goose and remains focused on protecting Fred and Pebbles.

One of Rock Slag's pursuers, Ali relentlessly targets Fred and contributes to the danger with multiple attempts on his life. He embodies the relentless, menacing side of the crime plot.

A master criminal whose disguise and schemes drive the plot; as Rock Slag he is the secret agent, while as the Green Goose he plans to launch a deadly missile hidden in a park ride. His calculated manipulation and dual identities fuel the tension.

The Secret Service chief who recruits Fred and keeps watch over the mission, embodying authority and strategic manipulation. He orchestrates the assignment, though his plans are toppled by the villains.

The central protagonist who juggles family life with undercover spy duties. He navigates a web of mistaken identity, flirtations, and a commitment to Pebbles' future, all while trying to stay loyal to his family.

Fred's wife, skeptical of his behavior and deeply protective of her family. She confronts Fred after catching him with Tanya and remains a steady, resolute presence throughout the misadventures.

Fred's quarry boss and a figure of authority, representing the corporate world intersecting with the undercover mission. He provides the structural backing that propels Fred into the spy plot.

One of Rock Slag's admirers who appears in Rome, adding romantic tension and heightening the chase as she follows Fred.

The Green Goose's top lieutenant who lures Fred and negotiates with Rock Slag, highlighting the use of charm and manipulation in crime.

Barney's ally and Wilma's friend, who appears in Bedrock and contributes to the dynamic of trust and friendship as the mystery unfolds.