[here's the most dramatic and pain-filled sigh in all humanity like this is causing him infinite suffering]

Whatever. Fine. Knew a guy named Jarvis, named J after him. DUM-E is dumb, U is what I yell when he's screwing something up. Which is always, by the way.

And robotics guys use acronyms because they look cool and because they're pretentious douchebags. Happy?