Birdy

Cowboy Bebop

Dragonball

Flame of Recca

Gundam Wing

Hunter x Hunter

Inuyasha

Mononoke Hime

Oddments

Outlaw Star

Ranma 1/2

Rurouni Kenshin

Trigun

Yuu Yuu Hakusho

Weird head
Recca's drawn many different ways over the course of his namesake series but this is one of the oddest. Maybe the artists had a bit too much Nyquil that day...
 
Added: 6/6/09 From: Celga
 
Weird head