Smart-ass answer: The Rolling Stones, as an outside force.
Real answer: John Lennon, perhaps more as a continuing presence (physical and iconic) than as a musician. John Lennon/Plastic Ono Band is my favorite of his solo albums. There are better songs scattered throughout the rest of his catalog, but Plastic Ono Band is such a powerful record: God, mama, Beatles, fame, class politics, “me”, “you”, love, and hate all fired out of a cannon out to the horizon, just to get free of it all.
John, because he went beyond just raking in the money. You had to admire a guy who could have had any woman he wanted but picked a rather unattractive asian woman. The FBI hated him, which is a good thing. A sizeable FBI file is a sign of maturity.
John, because I simply identify more with him, and I respect him the most of all Beatles. To me it’s little to do with the music when picking a favorite Beatle. It’s more to do with the type of person you are. Everyone identifies more with one of the boys than the others.