Youzen is a character from Senkaiden Houshin Engi, which is known in the US as Soul Hunter.  His main power is shapeshifting, and he even mimics the powers of the person/thing that he shapeshifts to.
YOUZEN ::  Name Meaning: lingering life; feeble existence; brink of ruin.
. YOU = to become intoxicated; employ; manner; kind; appearance; like; in order to; yang; task; business; use; early death; calamity.
. ZEN = before; former; previous; one-time; goodness; virtue; whole;meal.

 Here are some pictures of him.
A pose
Another pose
With his head bowed
Action pose
With his dog -  The dog comes out of his sleeve and he rides his dog to travel.  It looks cute, but can be vicious.
Chibi - Kawaii!

Quotes
"Sucks to be famous sometimes"
-  A paopei (magic item) freezes you in place if you hear your name spoken through it.  Youzen tried to cover his ears before he heard his own name.  But he was too late and was trapped.

"I should have come up here before."
- Youzen rides his dog and admires the landscape while still travelling at a snail's pace.
 

Screen Time
Shapeshifts into Daiki and tries to fool Taikobou and friends into thinking he was Daiki.
Shapeshifts into an enemy's exploding  paopei and psyches out the enemy.