The X-Men have an expansive rogues' gallery, ranging from the well-meaning to the just plain evil, the awesome to the ridiculous. And during the height of the totally radical and edgy excess of the 1990s that Post, a mutant of gargantuan proportions, hit the scene only to vanish at the end of the decade.

Primarily known for working for Onslaught, Professor X's evil psionic alter-ego, Post seemed to have everything the perfect X-Men villain needed. He had many strengths, a huge, bulky and intimidating design, a decent backstory, and a lot of amazing cybernetic abilities. The one thing he lacked that proved his undoing in both the story and in the world of comics was staying power.

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Post was born Kevin Tremain and debuted in 1996's X-Men #50, by Scott Lobdell, Andy Kubert, Cam Smith and Joe Rosas. Tremain was a mutant US government operative who was sent to China to fight the villain Mandarin. However, Mandarin proved too powerful and kept Tremain prisoner as a test subject, experimenting on him with the intent to create duplicates as the ultimate army. This took a toll on Tremain, and he was mortally injured. However, he was rescued by the Six Pack, led by cyborg mutant Cable, the famous carrier of the dangerous Techno-Organic virus. Desperate to save his fellow mutant, Cable performed a blood transfusion on him. He unwittingly saved Tremain's life, but in doing so, infected him with his T-O virus, further enhancing his powers and imbuing him with new ones. At this point, Xavier was undergoing a crisis of his own with the creation of Onslaught, who was quick to recruit this new mutant to his side and further enhance his T-O virus powers. Tremain, now calling himself Post, was completely dedicated to Onslaught and his cause, even referring to himself as his "herald."

Post had an impressive array of powers. Standing at 8' 3" and weighing just over a ton, Post had a fittingly intimidating appearance. He had superhuman strength and durability, plus the T-O virus in his bloodstream, giving him the ability to create metallic weapons and armor, scanners to analyze his opponents' abilities, superhuman intelligence and the power to affect his surrounding environment to his advantage. With this grocery list of superpowers, it seemed that Post gave the heroes a hefty challenge -- at least on paper.

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Post was low-ranking among Onslaught's minions, portrayed as a starter boss, with Onslaught assigning him to "test" Wolverine, Storm, Cyclops and Iceman, who managed to defeat him. Later on, he had an impressive fight with Cable, coming close to beating his former savior, but ultimately Cable survived, and Post was left at the mercy of the Avengers. It wouldn't be until Cable #87, by Robert Weinberg and artists Michael Ryan, Rick Ketcham, Ted Pertzborn and Hi-Fi Design, in November 2000, that Post would meet his end after a nearly successful attempt on Robert Kelly's life, and a bloody and blazing battle with Pyro, who died soon afterward. Since then, this enormous titan of a mutant has not appeared in another comic.

Post had a lot of potential for a greater role in the X-Men canon. But like many overpowered characters, he may have been too difficult to write without testing the audience's suspension of disbelief. With all of his powers, Post should have posed more of a threat, potentially even one on part with Onslaught. But he was defeated in every battle, too easily for a villain with so many strengths and so few weaknesses. But in the end, Post was a product of his times - an era when too much was never enough.

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