A long time editor,
User:Isarig, has just been caught using Sockpuppets in an abusive fashion (gaming 3RR.) Isarig has an
extensive block log:
Wikipedia:Requests_for_checkuser/Case/IsarigOne of the coolest things I found in the CheckUser request was the use of multi-user contribution log (I wasn't aware of this neat tool until just now):
Isarig and Clintonesque combined contribution logThere is some discussion of this on AN/I:
WP:AN/I#Isarig.27s_abusive_use_of_socks_per_CheckUser