Dave1185 AKA David873 AKA 122.105.149.69 

all 3 are the same disruptive editor. User:David873 has been blocked already, and had exactl y the same "This page intentionally left blank." on his page.

plus if you look at the edit history of the page of User:Nefbmn, he posted the EXACT SAME sockpuppetry accusation as David873.