Obermuller (often spelt Obermüller) translates directly from German as "The chief miller".
Therefore, should one inherit this as their surname, they have come from a long line of only the best Germanic bread makers.
The several qualities possessed by any "Obermüller" are: A good eye for bread; .
Peasant: Hello there, Mister Obermuller (sp. Obermüller) - what bread should I buy?
Mr Obermüller: You probably can't afford bread.
Peasant: I can, I think.
Mr Obermüller: Oh. OK. That one. (Mr Obermüller points to a sturdy, quality loaf of bread - which the peasant cannot afford. Mr Obermüller sniggers, before promptly buying the loaf of bread he had recommended to the poor peasant).
Idiot: Haaaaa - Obermüller... like "müller" the yogurt...
Mr/Mrs/Miss/Doctor/probably someone called Dennis Obermüller: No.
Mr/Mrs/Miss/Doctor/probably someone called Dennis Obermüller: Quite.