Took a Cowboy Spawn head put it on a Dr Fate body added some fodder parts and that's it bada boom bada bing Diego Cortez a maritime explorer funded by the church to track down and plunder any and all things the church deemed of value during his last crusade he fell in battle afterwards his body was retrieved by the alchemists of Dorado they saw his potential to prevent the incoming culling so they transplanted his essence into this machine man imbued with regenerative metals to help them stave off the very same raiders he was once employed by