Behind the Moody Blues name

As most fans will know, me and John weren't there when the band was named - but, still to this day I have not heard an 'undisputed' version of how the name was adopted. I know Mike liked 'Mood Indigo' and that was part of it. More pertinent to the MB thing was the fact that Mitchells and Butlers, a local brewers and pub owners, had a number of gigs that could be played, and I believe it went from the M and B Five to Moody Blues through Mikes input.