Red Orchestra griefers.

Also see this (2012):
http://insurgencymod.blogspot.com/2012/12/griefer-steezmcgridlequicksc0p.html

[MLG]McGriDleqUiCkSc0pE420
[MLG]McGriDleqUiCkSc0p420
(MLG)McGriDleqUiCkSc0p
(MLG)McGriDleoPtiCswaeg
xXxMcGriDleGaNgBang420xx
DABEARS
(GAOETW) DABEARS
(GAOETW)Oberst Cherry
(GAOETW)General Cherry
[STEEZ]McGriDleqUiCkSc0pE420

Steam2 ID    STEAM_0:1:28793128
Steam3 ID (32bit)    57586257
Steam3 ID (64bit)    76561198017851985 (Dec) 1100001036eb251 (Hex)
http://steamcommunity.com/profiles/76561198017851985/
http://forums.steampowered.com/forums/showthread.php?t=1711293

GRIEFER  PsychoticGrim666 AKA RedruM STEAM_0:1:1397068

PsychoticGrim666 AKA RedruM
Glendale, California, US

Steam2 ID    STEAM_0:1:1397068
Steam3 ID (32bit)    2794137
Steam3 ID (64bit)    76561197963059865 (Dec) 1100001002aa299 (Hex)
http://www.steamcommunity.com/profiles/76561197963059865


GRIEFER Cymru543 AKA ChipotleCrewForLyfe STEAM_0:0:37277964

ChipotleCrewForLyfe
xXFaZe420SWAGXx
xXFaZe420sWaGOpTiCXx
[STEEZ]xXSmOkEw33dErrYdAyXx
[SwAg]xXSmOkEw33dErrYdAyXx
[MLG]xXFaZeBoNgH1TzXx
[FaZe] xXYOLOSwAgXx
[FaZe] xX420SwAgXx
[FaZe] xXOpTiCqWiCkScOpEXx
Cymru543
cymru543

Steam2 ID    STEAM_0:0:37277964
Steam3 ID (32bit)    74555928
Steam3 ID (64bit)    76561198034821656 (Dec) 11000010471a218 (Hex)
"Ian"
http://www.steamcommunity.com/profiles/76561198034821656

"Ian Page"
North Bend, United States

http://pastebin.com/9gKYGtfg
http://myworld.ebay.com/cymru543
https://twitter.com/cymru543
http://cymru543.wordpress.com/
http://sunnyjr4.wordpress.com/2008/04/28/im-on-and-so-is-cymru543/
http://cpcheaters4ever.wordpress.com/2008/07/

GRIEFER The Ameowican STEAM_0:1:25317740

The Ameowican
Steam2 ID    STEAM_0:1:25317740
Steam3 ID (32bit)    50635481
Steam3 ID (64bit)    76561198010901209 (Dec) 11000010304a2d9 (Hex)
http://steamcommunity.com/profiles/76561198010901209

San Francisco, California, US
Santa Rosa, United States

IMSID55B7ACDA793D20036B1E15EAEF38FA467EB6FF15