Ghost Imagin

The Ghost Imagin is one of Nex's Imagin followers & possesses Dwayne, having him assume Kamen Rider Steam Ghost Skull Form. While possessing Dwayne, Dwayne is referred to as "A-Dwayne", with the A standing for "Another". He is later destroyed by Electric King Climax Form's Extreme Slash: Climax Version.

Plat
Plat Form is Steam Ghost's most basic default form undersuit, which is briefly seen during Steam Ghost's transformation sequence before the Aura Armor and the Denkamen facemask attaches.

Skull Form
Ability perimeters
 * Rider height: 199cm
 * Rider weight: 107kg
 * Punching power: 7.5t
 * Kicking power: 9t
 * Maximum jump height: 40m
 * Maximum running speed: 100m/5s

Skull Form is the form of Steam Ghost that is accessed when Dwayne Winfield is possessed by the Ghost Imagin. In Skull Form, Steam Ghost's Full Charge is the Terminate Flash using the sword of the Ghost Imagin. As the name & design implies, Skull Form's motif is the skeleton.