Firestorm. Ability to rearrange the atomic and molectular structure of matter; Can alter the density of objects, including his own body, and render them intangible; Can project bolts of nuclear energy, fly at great speed, and absorb explosive force and radiation in to his body harmlessly. Superhuman strength,Durability, Quark Vision, Ability to rearrange the molecular structure of living matter.
It depends on which Firestorm we're talking. Current one gets stomped but the classic Firestorm (Ronnie and Professor Stein) can probably take Surfer a few times. The man was an absolute genius.