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Ultra Humanite has survived for many years by transferring his brain from his original body into various vessels over the decades, finally settling on an albino ape (because ALBINO APE!)
As odd a choice as he may seem, Ultra Humanite was one of the first villains to be released in action figure form for the Justice League cartoon. He was of course a welcome foil to the original seven and also of course quite hard to find (because MATTEL!)
In addition, he was released looking exactly like he did in the cartoon, not with day-glow pants or a scuba suit (like most toys from that era.) Ultra Humanite is also superior to most standard Justice League or JLU action figures in that 1) he's an oversized figure roughly in scale to his cartoon counterpart with the other Justice League action figures 2) his construction includes zero re-used parts and 3) he can stand upright on his own.
All of these factors were a big deal in the early 2000s when Ultra Humanite made his plastic debut.
He is indeed Ultra.
Ultra Humanite originally came with a gun/hoversled accessory which wasn't half bad but is stored away somewhere else for now. But that's okay, Ultra Humanite needs nothing but his keen intellect to destroy the Justice League, the JSA, Superman, or even that chrome-domed pretender Lex Luthor!