There are already a bunch of puns going around.
WiiFi.
Knights Who Say Wii.
Wii hate the name.
Wiitarded.
And one joke involving the DS' "touching is good" slogan and "wii wii." I'm not making it.
Theres this one:
Thanks to Chuck Berry now we have an unofficial theme song:
When I was a little bitty boy
my grandmother bought me a cute little toy
Silver bells hangin' on a string
she told me it was my wii, wii
My wii wii, my wii wii
I want to play with my wii wii
My wii wii, my wii wii
I want to play with my wii wii
And then mother took me to Grammer School
But I stopped all in the vestibule
Every time that bell would ring
catched me playin' with my wii wii
Once I was climbing the garden wall
I slipped and had a terrible fall
I fell so hard I heard bells ring
but held on to my wii wii
Once I was swimming cross Turtle creek
many snappers all around my feet
Shure was hard swimming cross that thing
with both hands holdin' my wii wii
This here song it ain't so sad
the cutest little song you ever had
those of you who will not sing
You must be playin' with your own wii wii
My wii wii ,Your wii wii, your wii wii
We saw you playin' with your wii wii
My wii wii everybody sing
I want to play with my wii wii