That sounds fantastic. How did it go?
Oh, it was a disaster. This was in that same college RPG club and this GM had the idea to have one "good" and one "evil" party active in the same world at the same time, with sessions on different days. He was the kinda guy to meticulously plot out a grand story that wasn't very good, if you know the type. But his fatal mistake was naming the parties ahead of time. I forget what the good party was called, but he told us our evil party was to be called "The Archlords." That was all I needed.
I pitched the idea to the other players privately and so in the first session when we introduced our characters they're all these hulking, demonic, Chaos-Warrior looking villains, but it's all costume armor and he's actually a gnome bard that plays the fife or whatever. It's been twenty plus years so I unfortunately don't remember anymore, but one of the other players came up with the lyrics to our hit single, "Drider Rider," off our debut concept album
The Minstrel Cycle.
The good party went around doing epic heroic fantasy shit while the Archlords descended on unsuspecting villages to violate noise ordinances, run up tavern tabs, and trash rooms at the inn. The GM had a metaplot in mind that would have each party working to indirectly thwart the other, but the Archlords were aggressively disinterested in any plot hook that didn't look like a buxom groupie or cheap ale. The GM eventually got huffy that we were ruining "his" story and let us go, introducing his own npc antagonists to the good party.
Ever since, whenever I run D&D (which is rare), the party inevitably runs across the Archlords, still in their costume armor, still on their neverending multi-planar tour. That GM never appreciated them, but my players since regard the Archlords as Bombadil-esque figures of legend. Their music (and their hangovers) bend time and space, always getting them to their next gig be it in Chult, Athas, Ravenloft, the Hollow Earth, Sigil, or everywhere in-between. They never know how they got there, but they're always on their way somewhere new.