Is this just greed?

Yoko Ono wants a rocker named Lennon Murphy to stop using the moniker 'Lennon'. So much so, the lawsuit is filed.

Yoko is not going to make many friends with this move. Even Julian Lennon doesn't have a problem with Lennon's use of the name. It is her name after all.

[update] Once the uproar started, various sources got their stories a little straighter... er.