The right-hand men of the Batmen were the given name for two men with different surnames, different body types, yet similar integrity and devotion to their duties.
Alfred Pennyworth of Earth-One served in World War II, while Alfred Beagle service in World War I. Both were field medics and intelligent agents for the Allied forces, yet while Pennyworth met Mademoiselle Marie during the war, Beagle never met her equally famous counterpart who was in Europe while he was already in Wayne Manor.
Both met Bruce Wayne and his ward Dick Grayson, and as their butler learned of their alter egos, becoming trusted companions to the pair. Pennyworth was always fit, Beagle had to go to a weight loss resort to trim down to his more familiar size. However, Pennyworth's ill quickly declined upon encountering the Tri-State Gang, and only thanks to the timely intervention of a scientist revived Alfred. However, the formerly good-natured man turned evil as the powerful Outsider until ultimately cured and reverting to his natural self. This being would be counterpart to Earth-Two's Spectre.
On previous occasion, both Alfred's substituted for the Batman when the Dark Knight's secret identity needed to appear side-by-side with his costumed alias. Another time, Pennyworth gained temporary superpowers though this time as the heroic Eagle. Beagle never gained powers, although Earth-Two's young Mr. Grayson did gained a temporary adult body and became Owlman.
While both men had nieces, Pennyworth's named Daphne, Beagle's named Valerie. Beagle never had a daughter while Pennyworth had one, Julia, through Marie.