Itzal worked as a candlemaker. Get it cuz he is afraid of the dark? And candles make light and- 
[img]http://t6.pixhost.org/thumbs/509/25787341_f7b7b8ce0ab9bd4db64a7a967fb7ec8c.png[/img]
Also, if you can come up with more reasons for Princess Azrael's cowardice than you can Prince Azrael's perhaps it would be best to go with Princess Azrael. *shrugs*