how do you say Marni in customer-ese?

Apparently Marni is the hardest name in the world to hear, understand, reproduce, etc.

These are the many names I've been called while at the office...the list will continue to grow, I'm sure...

-Marley (by a quasi co-worker)
-Bonnie
-Moni
-Mahnee (not even a British accent)
-Minnie
-Marty (of course)
-Mava
-Margie
-Lonnie