^ I'm pretty sure it's a joke. Anyway....
The skill set of an Indiana Jones-style character doesn't really overlap much with the thief. Find traps, maybe, though Jones was more competent in discovering the nature of traps beforehand, or agilely avoiding their consequences, than not setting them off. He occasionally snuck around, but so did others; it doesn't appear to be a skill he's particularly adept at. No picking of pockets, and I don't recall any picking of locks. Hearing noise? Another not-skill. Climbing? Maybe, though that's more subsumed into general athleticism. Read languages, definitely, but the skill should be much broader. Read scrolls no (though that's out of genre, and was stolen from the Gray Mouser). No backstabbery.
So a dungeon-version might know traps, and locks wouldn't be unreasonable. But the rest of the thief skills are a poor fit, except for read languages which almost demands a great expansion. But how does archaeology and lost lore work in the dungeon? There's already a magic-user for things arcane, and dungeons aren't really lost tombs, cities, or artifacts being uncovered. It would be weird to roll to see if Orckiller Jones was able to uncover the plans for every trap in the dungeon. So I'm not sure it really fits, as an archetype.