Robo-Sthomas X

Robo-Sthomas-X is the nastiest form of Sthomas. He is Giant and has every power that Sthomas,Robo-Sthomas,and Mr Cow2 has.To beat him you have to destroy the defensive Mr Cow2 unit because you can't damage the other three units until you destroy it.

Mr Cow2,Robo-Sthomas-X,and Robo-Sthomas are the same person as Sthomas.