Just in case you think THE RAT and BILLY are the same, lets look at their IP Addresses:

THE RAT:

OrgName: Kinkos, Inc.
OrgID: KINKOS-2
Address: 255 West Stanley Avenue
City: Ventura
StateProv: CA
PostalCode: 93002-8000
Country: US

NetRange: 63.164.145.0 - 63.164.145.255
CIDR: 63.164.145.0/24
NetName: FON-1067749632866191
NetHandle: NET-63-164-145-0-1
Parent: NET-63-160-0-0-1
NetType: Reassigned
Comment:
RegDate: 2002-04-11
Updated: 2002-08-08

TechHandle: IK81-ARIN
TechName: Kinkos, InfoSec
TechPhone: +1-805-652-4000
TechEmail: information.security@kinkos.com

BILLY uses an AOL account

OrgName: America Online, Inc
OrgID: AMERIC-59
Address: 22080 Pacific Blvd
City: Sterling
StateProv: VA
PostalCode: 20166
Country: US

NetRange: 205.188.0.0 - 205.188.255.255
CIDR: 205.188.0.0/16
NetName: AOL-DTC
NetHandle: NET-205-188-0-0-1
Parent: NET-205-0-0-0-0
NetType: Direct Assignment
NameServer: DNS-01.NS.AOL.COM
NameServer: DNS-02.NS.AOL.COM
Comment:
RegDate: 1998-04-18
Updated: 1998-04-27

TechHandle: AOL-NOC-ARIN
TechName: America Online, Inc.
TechPhone: +1-703-265-4670
TechEmail: domains@aol.net

BTW, THE RAT is using an IP address that is very close if not the same as they did the last few times THE RAT posted a message.