Tyler Do'Urden
Soap Maker
But can I run Return to the Tomb of Horrors without running Tomb of Horrors first? I have the TFTYP version.
Yes, in fact the original tomb is used as a portion of the adventure itself (the boxed set included a direct reprint of the original module). I'd use the toned-down 5th edition version; I think the module would work better with that instead of the frequently-unfair original (as you definitely want the party to survive to get to Moil and the Fortress of Conclusion.