Alfred becomes Bruce Wayne’s butler after fulfilling his father’s dying wish.  Jarvis Pennyowrth had served the Wayne family when Bruce was a child.  After fighting off a burglar, Alfred discovers Batman and Robin’s identities when he accidentally hits a switch that opens a secret panel to the Batcave.  This origin is revised in Batman #110 (September 1957).  Alfred originally appeared as overweight and clean shaven, but when the Batman movie serial had a thin actor with a mustache, the comics followed suit when...