Write down in the comment your birthday. I'll put mine down too.
UPDATE: I am know adding star signs.
UPDATE: Using users from this site

AQUARIUS- JAN 21 - FEB 19
Ertyguy-January 21st
Proottalfain-February 22nd
thekingofmadness-January 24th
mooseisloose-January 27th
arcitc-zone-January 28th
Yambanshee-January 29th
RawrOutLawd-January 31st
SoulKnight96-February 1st
B4gle-February 3rd
Sirtom93- February 3rd
Slick-Production- February 5th
paperbagmaniac- February 6th
Wuggawoot- February 6th
SKS- February 7th
BillysProgrammer- February 11th
ivocubahavana- February 15th
FurryOwlet- Februrary 19th

PISCES- FEB 20 - MAR 20
HolyPeanuts- February 22nd
Proottalfain- February 22nd
soapybubbles- February 22nd
Perry- February 22nd
UnknownFury- February 24th
Whirlguy- February 24th
ChaoticTrashCan- February 26th
Depredation- February 27th
Stamper- March 8th
FatJoe214- Match 9th
Stickman91- March 9th
kajenx- March 13th
bigpigy- March 17th

ARIES- MARCH 21 - APRIL 20
Igotaname13- March 26th
themanthelegend- March 28th
Lolzer - April 4th
Otto007- April 11th
RandomExploit- April 11th
flashwarrior- April 15th
Alex-shelly - April 20th

TAURUS- APRIL 21 - MAY 21
davva1-April 21st
Gagsy- April 24th
TimeforplanB- April 25th
fluffykitteh - April 26th
killer4093- April 26th
7901- April 28th
Robotchk12 - April 29th
the1stguy1- April 30th
TomFulp- April 30th
Bluefox77- May 4th
dekuboy - May 4th
anthonyisthebest - May 7th
SpeedMetalSandwich - May 8th
GeneralAC- May 12th
Homosecksual - May 18th

GEMINI- MAY 22 - JUNE 21
redfield95- May 22nd
elcriz000-May 25th
Pinafal - May 25th
dididu915- May 28th
kim909- May 28th
portalwarpedJP- June 2nd
AleciaWalsh- June 4th
RyanTime2- June 4th
Conspiracy3- June 5th
stosh1919- June 7th
Lagamuffin- June 9th
x-factor11 -June 13th
Outlaw88- June 14th
TehSlapHappy- June 14th
brassmonker1234- June 16th
Mattster092- June 21st

CANCER- JUNE 22 - JULY 23
Adio - June 23rd
Mr-No-Name- June 24th
MysticMan- June 24th
scottmale24- June 24th
Podsberry- June 25th
turtleKirby101- June 30th
turtleKirby101-June 31st
FourSwordsKing- July 2nd
kenshi - July 3rd
watzmann- July 3rd
Dexter3000- July 4th
Lorkas - July 4th
paradox9 - July 4th
esko-man- July 6th
36Holla- July 7th
Soldierofhentai21 - July 7th
hybrid-of-souls - July 9th
thelittleemo - July 9th
uzi47- July 12th
REDSPADES- July 13th
sumidiotdude- July 15th
dobo69 - July 18th
greamer22 - July 19th
ZenOfAnger- July 22nd

LEO- JULY 24 - AUG 23
Afro-Ninja-July 30
hhcash - August 11th
jonaathan- August 11th
XIII13- August 13th
iscrulz - August 17th
tornarrow- August 17th
lilcheeselad - August 18th
HOLY-FUCKING-SHIT- August 19th
ProjektCOG- August 21st
unbelivable - August 21st

VIRGO-AUG 24 - SEPT 23
HappyYeti- August 26th
shadowslayer1313 - August 26th
Lopas1 - August 27th
robin1232- September 2nd
Armerad- September 10th
MegamanZero360 - September 10th
GreenFrost6 - September 11th
jmalouin7- September 13th
Viridis- September 14th
HighWayStar365 - September 17th
AxeWarrior - September 19th
MadiiMonsterr-September 20th

LIBRA- SEPT 24 - OCT 23
Sun-And-Moon - September 26th
rachelraye- September 27th
yhar-September 28th
gta-sa-October 1st
Rebbay-October 8th
TheSilverGuitar-October 11th
YouLostTheGame-October 11th
Acid- October 13th
SymbolCymbal- October 14th
Dogmeat- October 16th

SCORPIO-OCT 24 - NOV 22
cczero - October 26th
ELITE-101- October 26th
marianne13 - November 5th
Sensationalism- November 4th
masterchef56- November 9th
RedStripedd- November 6th
WadeFulp- November 17th
twilightofdusk- November 18th
Head-Full-Of-Acid- November 20th

SAGITTARIUS- NOV 23 - DEC 22
YoshiRacer1- November 23rd
Yoshi77777 - November 24th
xports - November 27th (Turkey Day '08)
IronPirate- November 28th
Twilight95 - November 28th
pyromaniac616- November 29th
Chaosbeam21 - December 3rd
FurryDemon- December 4th
Fezz- December 7th
Jawdyn - December 9th
Dragonberry - December 13th

CAPRICORN- DEC 23 - JAN 20
The-Condor- December 23rd
AnonymousAlchemist - December 25th
chillbro - December 26th
luigipwnsmario- December 27th
LulzHammer - December 28th
Wolfears2- January 1st
Insanimation- January 2nd
Spirosgod- January 3rd
Veldel January 8th
WhoknowsmeaUdiO-January 8th
Crusher117- January 10th
Generalissimus-January 10th
adman1993-January 11th
Jonners-Janurary 11th
AustinBreed- Janurary 13th
tom641- January 13th
Colombiana- January 14th
Luis-January 19th
WeHaveFreshCookies-January 19th