Like all Lanterns, Agent Orange possesses a power ring. His power ring, deriving its energies from the Orange Light of the Emotional Spectrum, grants him all the typical abilities as it allows him to fly, make force fields and survive in the vacuum of space.
In addition to the standard abilities, Agent Orange's ring can drain the energy out of other rings, excluding the blue ring (although his interactions against the Indigo and Violet rings aren't entirely known). The main use of the orange ring though is its ability to create an avatar out of orange energy of any being Larfleeze has killed, making each creature a complete slave to him and a member of his pseudo-corps. Agent Orange's corps are actually just people he or his corpsman have slain. Larfleeze has killed Green Lanterns, Guardians, and Controllers (in addition to MANY other life forms) and has presumably all of their power at his command.
Larfleeze is the only member of his corps and carries the main battery: he possesses all of the power of his corps, and his ring has been seen to charge up to 100,000% capacity, which may put him on the level of Ion or Parallax. The emotional embodiment of the Orange Light resides within Larfleeze's battery as it talked to Hal Jordan when he briefly stole the battery away. However, due to Larfleeze's lengthy exposure to the battery this did not de-power him.
As a consequence of being the only wielder of the Orange Light, Larfleeze suffers from extreme paranoia and greed. His greed can be subdued in the presence of the Blue Light, but his avarice is never fully satiated.
http://www.comicvine.com/agent-orange/29-58504/Simply put, larfleeze has many of the abilities of other Lanterns, but since he is the lone Orange Lantern (Orange representing Greed on the emtion spectrum) he has an entire battery. All to himself.
Professor X is a mutant who possesses vast psionic powers, making him arguably the world's most powerful telepath. He can read minds and project his own thoughts into the minds of others within a radius of approximately 250 miles. With extreme effort, he can greatly extend that radius. Professor X can also psionically manipulate the minds of others, for example to make himself seem invisible, and project illusions into them. He can also induce temporary mental and/or physical paralysis, loss of particular memories or even total amnesia. Within close range, Professor X can manipulate almost any number of minds for such simple feats. However, he can only take full possession of another being's mind one at a time, and he can only do so if he is within that being's physical presence.
Furthermore, Professor X can project powerful mental bolts of psionic energy enabling him to stun the mind of another being into unconsciousness. These bolts only apply force upon other minds; they do not inflict physical damage. Professor X can also sense the presence of other superhuman mutants within a small radius of himself by perceiving the distinct mental radiations emitted by such beings. In order to detect the presence of mutants beyond this radius, he must amplify his powers. He often does this by using first Cerebro and subsequently Cerebra, devices which are sensitive to that portion of the electromagnetic spectrum that contains mental frequencies.
Professor X can project his astral form, the sheath of his life essence, onto abstract dimensions congruent to our own known as astral planes. There, he can use his powers to create ectoplasmic objects. He cannot engage in long-range astral projection on the earthly plane.
Professor X is a leading authority on genetics, mutation, and psionic powers, and has considerable expertise in other life sciences. He is also highly talented in devising equipment for utilizing and enhancing psionic powers.
http://marvel.com/universe/Professor_XAlso, it's worth noting that despite the sig pic, Professor Xavier in this Slugfest does have full use of his legs.
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