This is truth. More or less. The R2-D2 position has already been taken.Keenser is the Robin to Scotty's Batman, the Ernie to his Bert, the R2-D2 to his C-3PO (though R2 is infinitely cooler), the Gracie to his George, the cream to his cookies, the crumpets to his tea, the yang to his yin. They're inseparable. They're the Odd Couple. That's all there is to it, really.