|Aliases:|| Roscoe's Girl|
|Appearance(s):||Gangstar: Miami Vindication|
|Family:||Johnny Gainesville (fiance)|
|Allies:|| Johnny Gainesville|
- "In Miami, a safe is just a box with a lock on it."
Betty is Roscoe's adopted daughter. She is Johnny's direct line to Roscoe. In the past years, it is said that she always had saved Roscoe's butt, and she has gotten sick of it. She finaly decides to punish Roscoe the best way there was: to give him to the cops. Later, Johnny and Betty decide to get married. After Johnny completes all the missions in the game, the player can play as Johnny or Betty.
- Betty Is The first female character to be an secondary protagonist, Second Been Larissa Santos From Gangstar Rio: City of Saints.
- Miami Vindication
- Chaw Come Back Now (Boss)
- Swamp Boogie
- Hearse Heist
- Big Boats and Badasses (Boss)
- Under the Bridge (Voice)
- Ride Johnny, Ride (Boss)
- Strike a Pose (Boss)
- Albert's Epic Adventure
- Perfidious Pork (Boss)
- Phycician Mission (Boss)
- Cop Car Caper (Boss)
- A Boom with a View (Boss)
- Express Checkout (Boss, Playable)
- Cop Out (Boss)
- Plastique Party Favors (Boss)