Sketch Mario is another form of Mario unlocked by getting the Sketch Mushroom. It was originaly released for a Paper Mario game called Paper Mario: Scratch Universe. His power is to sketch up enimies so they don't move, but he can not pick them up like Ice Mario. He can not sketch on Boos.
Sketch Mario made his 3D debut in New! Super Mario Bros. 3D.
Scetch Mario made his paper debut in Paper Mario: Scratch Universe.