Peter scratches the back of his neck as he winces slightly, because he knows the answer is going to be hard to believe. It's just-- it is what happened, and it's been a long time now since it did.

"Turned into a... giant lizard man. Not just that, it's not like he was himself as a giant lizard. It messed with his head too, made him more aggressive and violent. Kept the smarts though and the ability to talk. He was trying to turn everyone else into giant lizard men too. It was... this big thing."