The song's title 'Mister Bellamy' is an anagram of "Mills betray me." Such lines as "No-one to tell me what to do, no-one to hold my hand" have led fans to speculate as to whether lyrics in the song refer to Macca's ex-wife Heather Mills. Speaking on a website video in 2007, McCartney said: "Who is Mister Bellamy? Well, I never know who these people are. Who are Chuck and Dave from 'When I'm 64
'? Who is Eleanor Rigby
? Who are Desmond and Molly from 'Ob-La-Di, Ob-La-Da
'? I don't know, I just make them up. I like giving characters names and just making them up and trying to make them fit."