I Just Seem To Loooooovvveeee Black.

Hiei:  It's just your sick sense of humor, baka ningen.

Anyway, from the previous Join The Club site (hint hint), here are the reasons why Hiei is so Kawaii!
*thinks*  Maybe I should put in here, He's so Kawaii in A Penguin Suit!  Hiei-maru! Hiei-maru! KAWAII!!
*coughs....ahem* 
 Botan's whistle
 His belts
 His ability to replace every sword that's broken
 His reluctant respect for Yusuke
 His not being afraid of death(or practically anything else)
His awesome sense of balance
(Domo Arigatou to Pamela-chan!  *bows profusely*)
The sword, he's great with the sword
The way he looks when the wind blows
(Thanks to Mike!  Domou Arigatou! ^_^)
 His reaction to being called Hiei-chan
He's so cute when he yawns (like a little cat)
 THE FANGS!
(THank you Susan-chan!!!!  Domo arigatou!  Kawaii!)
His ability to lose strategic articles of clothing as frequently as possible
(Arigatou Amparo-san for the reason! ^_^)
Kokuryuha!!
He's so manly!!*cough cough*
He's so cute when he's SD
The eye!!  The eye!!
Yukina
His protectiveness
The hair!!  (who could resist the hair?)
His best friend, Kurama *WHAM*
(is it just me, or is everyone joining for this reason? o.O)
The voice (TM)
His close friendship with Kurama
(Yet another popular reason.....HEY!  This is the HNFC! Not the KFC!  The KFC's located HERE.)
His being short
His kawaii temper!!
His cluelessness about Ningenkai
Three words.  Rock Paper Scissors!!
(Actually, I think this is the most popular one.  And the cutest too!  This is the cutest thing I've ever seen! KAWAII!)
His fights with Kuwabara
He always wins, no matter what (except against Yusuke, oro...)
His sullenness (is this right?)
The Dragon Tattoo!!
The way he sleeps
Hn.
He lives in trees
He's stubborn
His cute little clothing ^.~