2 for Casper, 9 for River, aaaand if you can 8 for Peter?

who casper thinks he is:Rubik's Cube

if things had gone differently for river:Charles Wesley Godwin - Dance In Rain (Lyric Video)

peter vibes:AJR - Karma (Lyrics)

balsamandash: for peter i had to be like "hmm what song is both cheerful and sad at the same time - AH YES"

<3333 I cannot headphones til later but that sounds about right