Frankie is a Pianta and Don Pianta's underboss in Paper Mario: The Thousand-Year Door. His skin is blue and he wears rectangular sunglasses, a white suit with a red tie, and a grass skirt. Like the other members of the Pianta syndicate, he speaks with a Brooklyn accent.
In the game, Frankie has fallen in love with Francesca, Don Pianta's daughter. The two decide to elope and Mario is asked by Don Pianta to find and bring them back to him or tell of their location. In exchange, he will give a Blimp Ticket to Glitzville. Mario finds them at the harbor in Rogueport waiting to leave on a boat. After Mario tells the two that Don Pianta is looking for them, Frankie asks Francesca that they both talk with the Don. Regardless of how Mario answers Francesca and Don Pianta, Francesca and Frankie return to the Don to take full blame of the situation. The Don eventually relents and allows them to get married.
Later, Frankie and Francesca travel to Keelhaul Key where they become shipwrecked in the Pirate's Grotto, along with many Toads. Mario rescues the shipwrecked survivors, and Frankie and Francesca decide to stay on the island. However, Don Pianta misses his daughter so much that he has become sick with grief and Mario is tasked to return her in exchange for a ticket to the Excess Express. Mario then returns to Keelhaul Key and finds Frankie and Francesca in the jungle. However, Frankie is busy searching for Francesca's wedding ring which she lost on the island. Upon hearing about the Don's sickness, Frankie suggests that they check on him first, but Francesca refuses and questions his love towards her. After Mario finds the ring and returns it, they return to Rogueport. Don Pianta, upon seeing his daughter, instantly recovers. Although, he realizes he has become too old to be the boss anymore and passes the leadership of the syndicate to Frankie, who is shocked and tries to let the Don continue to hold his position.
Frankie and Francesca have a very turbulent relationship. Although Frankie was the underboss of the Pianta syndicate, he obediently obeys any command his wife gives him, including saying "I love you." 100 times (as a result, the player must press or 100 times to scroll through the text). Humorously, the game starts to list how many times he said "I love you." after ten times. Even though Frankie officially becomes the boss of the Pianta syndicate, Francesca is actually the de facto leader. Before becoming the new boss, Frankie calls Francesca by many pet names with most being food-based, including "dollface", "my little bacon burger", and "sweet bean". After becoming the boss, Francesca demands Frankie to stop calling her by pet names and use her actual name or "Miss Boss".
After Chapter 6, Frankie posts a trouble at the Trouble Center. He explains that after returning from Keelhaul Key, he lost his own Wedding Ring somewhere in Rogueport. The ring can be found in front of Garf's house on the east end of Rogueport.
Names in other languages