Sharkrash was a Defense-type Beyblade and was Mariam's Beyblade.
Sharkrash was first used by Mariam to defeat Max. It was later used to battle with Joseph's Beyblade Vanishing Moot to defeat Max and Ray. Mariam was later defeated by Max while using Sharkrash.
In the preliminaries of the world championships, she was defeated by King and Queen and Sharkrash was destroyed.