File:Ralf Idle.gif Ralf is a Super Rare unit appearing in Metal Slug Attack, initially as a part of the Extra Ops titled Mars Attack (as a pre-acquisition unit). Currently he can be obtained via the POW shop. Ralf is cheap, effective, and fast against weak and tougher units. His special attack and close range attack allow him to deal high damage. His regular melee attack can furthermore block projectiles. When he's placed in the same deck as Clark and Leona they form the "Wrath" team, increasing their HP by 10%.