Name: Satan Jacob
Nickname: Maou Sadao
Age(if not specified, then put unknown or ??????????): unknown, but he is thousands of years old
Gender: Male
Powers/Skills(if any): [url=http://hataraku.wikia.com/wiki/Maou_Sadao#Powers_and_Abilities]
Species: Demon Lord
Crush: 
Appearance: [img=http://statici.behindthevoiceactors.com/behindthevoiceactors/_img/chars/char_110874.jpg]
Other appearances(if you have more than one): [hider=demon form][img=http://avvesione.files.wordpress.com/2013/05/hataraku_maou_sama-05-sadao-satan-demon_king-alternative_form-powered_up-strong-angry.jpg][/hider]
Good, Neutral or Evil: Good
From: Devil is a Part Timer
Other(anything you'd like to add?):
Weakness(es): if he runs out of magic, there need to be negative emotions such as fear or despair in nearby sentient beings in order to regenerate it.