When somebody's name matches what they do, who they are or some characteristic about them, which may or may not result from a phenomenon known as "nominative determinism."
The famous race car driver Sam Speed, the head rowing coach Mr. Rosewell, my paraplegic friend Ted Wheelwright, and the local zookeeper named Sandy Lyons all have job de plumes.
a pen name (nom-de-plume) that people think is yours but actually isn't.
"Have you seen that Bob Jones guy's new book? I think that it's actually written by Fred McDougal."
"No bro, that's not his book. You're assuming a non-de-plume"