Tasslehoff Burrfoot. Any character who lives in a perpetual state of childlike wonder and who can lift wallets is going to have an absolute ball.
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Marvel actually ran at least two “imaginary” stories where Conan suddenly finds himself in our world. In the first, he quickly rises to become leader of a gang. I could easily see it. Conan was supposed to be good at adapting to new situations, learning new languages, learning new weapons, and gravitating to the underworld.
Actually, there was at least one other case – the “pre-Conan” tryout they had in one of their all-purpose mags before they introduced Donan back in 1970. He wasn’t named, but it was obviously him.
Belgarath the Sorcerer would do fine. He’d shamble around in his characteristic pose as a vagabond until he got his bearings, and probably spend the next few centuries studying modern science. His sorcery would would let him learn the language, almost certainly, and he has a strong scholarly streak. And if he’s short of money, he can just conjure up some gold or diamonds.
Oh yeah. And advertising his expertise with “The Will and The Word” will get him a large clientele in the BDSM community.
I think the talented Mr. Ripley could take care of himself right smartly.
Gandalf and Aragorn would both do fine. They were used to travelling around, concealing their identies and making the best of the situation on Middle Earth.
He’s screwed the first time he tries that with a FWD taxi!
With those might sinews, or whatever REH called them? Surprised, perhaps. 
Yeah, but would Conan be grabbing the cab or the lady. Let’s face it, he was never one for small talk.
Gandalf, maybe. Aragorn, no way. He’d take one look any major city and assume Sauron had not only risen again, but won.
Oh, he’d grab the cab as a method of introduction. REH wrote him more as one of the Texans from his westerns rather than a wild man.
Assuming he can find a place to lock himself away when The Dark takes hold of him, Grimjack would do well. Smart, crafty, good with weapons and technology, knows some magic, can run a small business or a small army, has in some incarnations some psychic/empathic ability, trained fighter and, when the situation calls for it, diplomat. Also a hell of a guitar player so if nothing else he could get a job with a band and become a superstar.
So, from the LOTR universe, Sauron would do just fine: at a lower level, as a used-car salesman or multi-level marketer, and at a higher-level, as a lobbyist or political advisor to US presidents.
I was going to make a joke about George and Dick and Ar-Pharazon and Gorthaur, but I have decided it is beneath me.
Sounds like Conan got aholt of a bad chili dog, there.
I have to think the Gray Mouser would do okay. He’d get laid within a day, for sure.
He did. Now he controls CBS.
You misspelled “Fox.”
Or, as said on another board, he’d go from country to country corrupting the leaders into his puppets. Until he got to the White House, where he’d run into Bush, and exclaim “Master ! You’ve returned from the Void !”
No, look at the CBS corporate logo. Make it flaming and put it over a tower if you still don’t get it.
Low-tech fantasy, but they had running water and (in the later books, as oppose to By The Sword) engineering people were working on steam with an eye to producing steam-driven vehicles. No electricity, but magic - and I’m thinking if one is used to the concept of magic as an everyday sort of thing, electricity wouldn’t be that hard to wrap the mind around (and vice versa, actually).