It seems that the Doctor's name (so far as we know) is Chrístõdavõreendiamondhærtmallõupdracœfiredelúnmiancuimhne de Lœngbærrow, as revealed in "Unfinished Business" series of online Doctor #9. It is unclear whether or not he was joking, however we do know that in Gallifreyan culture personal names are usually reserved for family, so I don't know.