>>719764882
https://youtu.be/Zc5mOnqy8s8?si=Hcj0kITvwXFqWCmM
Is Billy's name even Billy? Geist keeps calling him "William"

>>719245849
I think it's a fun aspect of his character, he's a tryhard anarchist slacktivist and pretty much everyone in the cast can see it.

>>536866889
>Vyper knows Paige's brother
>Billy knows what Middle English is implying he has a somewhat intellectual background
I'm not saying he's 100% her brother, but the possibility is there.