Just my rushed answer, Enough for you by Olivia Rodrigo could work in a different way in the sense of faking being a band nerd (the verses faking who she was and wishing herself back) and she found a friend who accepts her ('dont tell me ur sorry, boy' and past) if it weren't a song about a boy

For Billy I would say Gasoline by Halsey because a lot of the verses remind me of him. For example "Are you insane like me, been in pain like me", "You can't wake up, this is not a dream, you are part of a machine, you are not a human being" and "Are you deranged like me.....call yourself a hurricane like me" those all sound like Billy

For eleven, music disk 11 from Minecraft for obvious reasons

Max, Brutal By olivia Rodrigo it fits max's skater girl style and i feel it fits her well

This may be a bit of a weird pick for Lucas, but I’d say The Housebuilding Song by David Ferguson, which comes from the video game Red Dead Redemption 2. In the game, the song plays in the background while 3 good friends build a house. One of the main lines in the song is “no matter, any weather, we’re together.” I feel that this represents Lucas perfectly, because even though he can sometimes get mad at the party, he always hangs out with them and is always there for them. The song also describes what has to happen to build a house, which I think connects to Lucas doing anything he can to keep the party safe (The Wrist Rocket, fireworks, etc.)!

I choose Dustin with the never ending story because that song because humiliated him and took away his dignity

Great choices and Dustin loved singing with Suzie. There was only one real option for Flo. She's been places.

https://m.youtube.com/watch?v=LTrk4X9ACtw

I legit thought you were going to rickroll us

I was thinking of linking a Flo Rider song at first. Hehehe.

Chicken Fried by Zac Brown Band for Ted specifically because of the chicken.