For years I didn’t know Darkseid was pronounced (därk’sīd). That works on just so many levels.
False Maria, although I guess she’s not actually referred to that way in the movie.
This one, I think, is the perfect name for a rich despot: Mr. Burns
Miquelito Loveless
There’s also the throwaway reference to a double date with Bait and Switch.
In other works:
Croup and Vandemar (Neverwhere, Neil Gaiman)
Phantom Limb (The Venture Bros.)
& Dr. Girlfriend (the same).