Dunnie Dunnington

A term used for someone that makes you not want to acknowledge their name for any of the following reasons:

a) You are not interested in their existence
b) You couldn't care less what their real name is
c) There are no other words to describe this person
d) They look like a Dunnie Dunnington

Jeremy: "Dunnie Dunnington, my office now!"
Dunnie: "My name's Martin.."
Jeremy: "You're fired."