I don't know who would be the DM or not, but it would be interesting to say the least. How about we all propose character ideas for now and see what happens from there.
[spoiler]Lets just go with D&D 5th edition[/spoiler]
Edit: If any of you are interested, you can make characters here: https://www.dndbeyond.com/
On the first page of character creation, only check off critical role content, then move on.
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When in doubt...[spoiler]fireball[/spoiler][spoiler]eldritch blast[/spoiler][spoiler]smite[/spoiler][spoiler]stab[/spoiler][spoiler]fist[/spoiler][spoiler]etc[/spoiler]