Mega Evolution in Fakemon FireRed works by having the Key Stone in your inventory, giving a Fakemon its corresponding Mega Stone to hold, and then pressing "Start" in battle before choosing a move.
This page lists all the different Fakemon that are able to Mega Evolve, their typing and abilities, and where their Mega Stone can be found.
| Name | Sprites | Typing | Abilities | Mega Stone Location |
|---|---|---|---|---|
| Cheroking |  |
 |
Before Mega Evolution Overgrow After Mega Evolution Tough Claws |
Given to the player by one of Prof. Oak's Aides just outside Victory Road. |