~ Official Rampage: Total Destruction description ~
Shelby drank some Scum Soda and had a violent reaction, and turned into a giant tortoise. Scumlabs caught her and put her in a Cryo-Tube after she went on a rampage.
She is a mutant tortoise with a bumpy shell, sharp claws, and sharp teeth. Her design is based on snapping turtles.
- Her name may come from the word "Shell", the name of a turtle's caparace
- It is unknown, whether or not, if Shelby was inspired by Gamera, a giant tortoise kaiju, or Kamoebas, another giant tortoise kaiju.
- Shelby somewhat resembles Bowser, from the Super Mario Bros franchise (particularly the shell and beak).