I'm hoping that *if* the Simpsons ever do a final episode, it will feature Ullman in some capacity.
He's not Zod. Look at how they teased Capt Luthor - he's going to end up being Bizarro. For a hot minute, I thought they were going to turn Kyle into Metallo.... still could happen....
Btw,(possible spoilers that aren't really for most fans)
spoilers:end of spoilers
According to whatever source Google uses, the guy playing John Henry Irons is listed as "Steel" FWIW