|Stephanie "Stef" Steinbrenner|
|Name||Stephanie "Stef" Steinbrenner|
|Vehicles and/or Gadgets|| One-Eyed Willy’s Pirate Ship|
|Occupation||Member of The Goonies|
Stef Steinbrenner is Andy's pessimistic friend who shares a strong voice of reason and a down to earth attitude between herself and Andy's relationship with Brand, even though she supports the couple. She wears spectacles, spends some spare time searching for lobsters and is friends with the younger Goonies, harboring hidden romantic feelings towards Mouth.
- Target (Crab)
- Character Changing (Can change into Mikey, Brand, Mouth, Data, Sloth, Andy, and Chunk)
- In the film, Stef was portrayed by Martha Plimpton. It is unknown who voices her in the game.
- It was confirmed by Arthur Parsons in the June 15th, 2016 - IGN E3: 2016 Live Stream that Stef can change into Sloth, Mikey, Mouth, Data, Chunk, Andy and Brand by using the Character Selection wheel.
- It was also confirmed that there will be new voice recordings for all the Goonies.
- Main article: Stef/Gallery