Use the following settings.

Face
Eye Color:Blank
Facial Hair: None
Skin Tone: Fairly Light
Physique: Slightly buff (two to the right of default)
Height: Slightly above average
Hair: Your choice
Torso: Ninja Gi (Color 1: Blue, Color 2: Dark Gray, Color 3: Same as Color 1)
Pants: Ninja Duds (Color 1: Dark Gray, Color 2: Blue)
Shoes: Ninja Tabi (Dark Gray)

Accessories
Ninja mask (Color 1: Dark gray, Color 2: Blue)
Right arm: Idol Spikes (dark gray)
Left arm: Boney Digits (dark gray). Note: They are the only left-handed glove that covers the entire hand.