Shampoo = NukuNuku

I agree ^_^

Mousse = Ikari Shinji (can't think of anyone else at the moment...)

Hmmm... maybe Gourry (Slayers)? He's dumb enough...

Ryouga = Morisato Keichi

Hm... don't know him. I can't think of someone else, though..

Ukyou = Lum

Hmm... I think Lum would make a better Kodachi, in the sense that they both
use "darling" quite often when referring to their respective "loves"

Possibilities:

Sailor Jupiter (SM) [Note: I've not seen much SM, but from what I've heard
it might work].

Sasami (Tenchi) Now before you kill me, you'd need to make her as old as
Ukyou, 16, so she'd actually look a little more like Tsunami, but she's the
only TM! member that can cook. It's just a suggestion. Developmentally old
as, that is.

Um... maybe Aeris or Tifa (FF7) Tifa would probably work better.

Deedlit (Record of Lodoss War)... maybe... it could work....

Kuno = Moroboshi Ataru "Ohhh I must have them all! ^_^"

This might be amusing... ^_^

Happosai = Ikari Gendo

How about Takaru Yamato (Dragon Knight)? Tokaki (FY) might work...
Nibonyuki (sp?) (Tenchi's dad, Tenchi Muyo!)

Nodoka = Ikari Yui

Umm.... I have no other suggestions.

Colonge = Natsume Akiko

Taitsukun (sp?) (FY)

SoulDrake

--
"May the journey through the darkness give you comfort
 in the presence of the everlasting light"

     -The Mighty SoulDrake