I looked around, and I could find a cool Ninja dock icon, and that saddened me. Also, I wanted one for my web browser, K-ninja, so this is veeery close to original icon for that.
To learn about K-ninja, click here.
To download K-ninja (since the main site was shut down), I'm seeding it on a torrent here
. ]And yes it is legal. Not all torrents are bad.