1) if you disagree i can inform you this is based off of many things like morality, outsider’s view, fan favorites, talent, etc. so it’s not my opinion, nor yours.
2) no not everyone in existence is on this list trust me i’d put more if i could.
3) name everyone and you win
If you're still doing requests, howsabout Bo Wyatt and Shyren having a duet?