Actually, according to Mitch Watson
, the model for this version of Alfred is "Sean Connery from The Untouchables
": Someone formerly on a par with the hero but now in his 60s and past his prime, reduced to a support/advisory role when he'd rather be a man of action alongside the hero.
"They pull a knife, you pull some kind of gunlike blaster thing. He sends one of yours to the hospital, you dispatch one of his offscreen."