AC is a strapping young lad
I’m a boy I’m a boy
When I say I am, I get it.
Results so far.
Let me know if I’ve missed or mischaracterized anyone.
Female:
Anaamika
Anastasaeon
Antigen
Buckler of Swashing
Chanteuse
FlyingRamenMonster
Girl Next Door
Good Egg
Harimad-sol
HazelNutCoffee
Johanna
Kythereia
Ludy
MissTake
NailBunny
PapSett
Penchan
Rushgeekgirl
Susie Derkins
Tamryne
TellMeI’mNotCrazy
WhyNot
Zabali_Clawbane
cherry
davmilasav
mlerose
percypercy
taxi78cab
twickster
vivalostwages
Male:
1920s Style “Death Ray”
633squadron
A.R. Cane
Agent Foxtrot
ArchitectChore
AskNott
Askia
CalMeacham
Colibri
Crafter_Man
Dead Cat
Der Trihs
Dinaroozie
El_Kabong
Electronic Chaos
F. U. Shakespeare
FlyingCowOfDoom
Governor Quinn
Happy Lendervedder
Ice Wolf
Khadaji
Kid_A
Kilvert’s Pagan
MacGyverInSeattle
Marley23
Mbossa
Mr. Blue Sky
Nature’s Call
Nic2004
Noone Special
Polerius
Priceguy
Q.E.D.
Ranchoth
RandMcnally
Revenant Threshold
Roderick Femm
Rodgers01
Rysdad
Seven
Spatial Rift 47
Sternvogel
Strinka
Sunspace
Tengu
Twoflower
VenusProbe
amarone
clairobscur
crowmanyclouds
dbygawdcapn
dogbutler
elmwood
interface2x
jrfranchi
marque elf
matt_mcl
picker
saoirse
silenus
ultrafilter
whole bean
I’m a girl.
Not going anywhere for a while? Grab a sni-- what? 
Girl here.
XYY Syndrome - Supermale
<holds up hands and shrugs to stiffel applause, to no avail>
<up and down motion of hands in an attempt to seat the standing ovation, again to no avail>
<Uses a [del]pussy[/del] kitty-cat moniker to soften extreme testosterone-riddled ruggedness> 
Ice Wolf is a she wolf.
Female…or at least my husband hopes so.
Another girl.
Denis = male
I sir, am a lady.
I am not–though I am female.
BrainGlutton: Male.
Anotha sistah, checkin’ in.
Hmmmm… XX=female
XX=Dos Equis=beer
Therefore, female=beer? 
female
Gal.
“i am a lady archy always a lady”
Unnecessary, I’m sure, as everybody on the planet instantly recognizes a character created for a now-defunct newspaper in 1916 by a poet who’s been dead for sixty years.
I am a woman, thank you.
Guilty as charged. I picture you as a slim dark-haired beret-sporting chick. With a hint of tired sophistication and a Galois. :o
gigi is…a big old friendly girl, who tries to fight her empty nights by smiling at the world.