Board Thread:Questions and Answers/@comment-11276487-20131125022524/@comment-1458758-20140112010609

Mr. Sinister is a century old geneticist who built numerous ways to clone and duplicate himself onto other people. Normon Osborn is a psychopath with goblin serum in his blood, and I'm not even sure that's still true. But still, comics, so it wouldn't surprise me.