For information on the entire series, here is the wiki for condensed info; http://disgaea.wikia.com/wiki/Disgaea_Wiki

Storyline: For those who do not, there are multiple Netherworlds, places were the demons dwell. A new one had emerged dubbed "Gluttonia", where instead of lava flows, it is melted chocolate. In the frozen land, it composed of edible colored ice shavings and ice cream. In the grasslands, the trees are abundant with all fruits and there is vegetation as far as the eye can see. It is a gluttonous demon's form of heaven... er, hell, as they prefer it. But, in spite of all its wonderment, there is one little hitch; there is no leader, no Overlord. With that said, the race for the throne is on and demons will do whatever it takes to rule the paradise of infinite food!

Profile:
Name:
Species: (Human, Angel, Demon, etc. Either way, be specific because there is a LOT to choose from)
Age: (Usually, the ages are in the thousands, but certainly don't look it)
Powers: (Magic, special skills, etc)
Appearance:
Personality:
Bio:

Name: Matthew (Matt for short)
Species: Fallen Angel
Age: 2,274
Powers: Healing and defensive magic
Appearance: Short straight brown hair, blue eyes, flowing white robe, black feathered wings, muscular arms and legs, big belly, carries a kabob skewer that he uses like a sword
Personality: Lazy, gluttonous, but ambitious to be Overlord and is a sucker for women, especially big women
Bio: Matthew was an Angel from Celestia, the world of Angels, but was banished because of his "sinful" ways, meaning being a bit of a glutton. In all the irony of the world, he was sent to the newly made Gluttonia, where he seeks to be the leader.