Mobius is pretty fascinating and Klein is hilarious! They all have their own quirky charm that makes them all fun to interact with, though I’m partial to Dr. 0 simply because it’s the same guy that voiced Dr. Venture on The Venture Bros. and the Wild Wasteland trait has him reference the “giant walking eye” as a nod to the show.
Rolsex sounds like a tired DM telling a player to “roll for sex” during some kind of porn version of Dungeons and Dragons.