It's a Beauty, it's a Beast
A friend, a foe
It's an angel and a demon
A lover, a killer
It's white, but black
Calm, but violent
It's the light, it's the shadows
Beautiful, yet ugly
It's a saint, but it's oh so sinister
Happy and sad
It is Dr Jykill, and My Clyde
It is all of these.

It is a puzzle