Mister clean is a "super-soldier" created by the Church of Humanity to find and kill mutants. He is known to have killed hundreds of mutants - his most famous attack was on a refuge group that hid in the sewers of London. Only a few of them managed to escape the massacre.
Mister Clean was created by Joe Casey and Ian Churchill in 2001 and first appeared in Uncanny X-Men #395.
Major Story Arcs
After killing most of the mutants in London's sewer system, Mr. Clean encountered the X-Men (Nightcrawler, Iceman, and Archangel) and fought them. Later, he found the X-Men (joined by Wolverine) again, along with the London mutants who had escaped his previous massacre. After a one-on-one fight with Wolverine, Mr. Clean finally died when Wolverine trapped him in a fire.
Powers & Abilities
Mr. Clean is a enhanced soldier that has superhuman strength and durability to the point where even Wolverine had trouble cutting him. He has enhanced reflexes that where fast enough to counter Nightcrawler when he teleported behind him. He is also an expert hand-to-hand combatant and could face even Wolverine one on one.