Mr. Mojo Risin is a name that singer of the Doors, Jim Morrison, made up and added to the song L.A
woman.
if you unscramble "Mr. Mojo Risin", you'll get "Jim Morrison"
You also don't have to think that
long to find out that he was actually referring to his own
cock.
but this is okay, because it's Jim Morrison.
and Jim Morrison's cock was one of the eight wonders of the world.