Laharl

Overlord Laharl is the main character of the Disgaea series, and comes along to help Allen in his journey, eventually going on his own way.

Personality
Laharl is a very selfish, mean person. He is also incredibly arrogant. He is incredibly powerful, and is very cold-hearted. Despite this, he has a small part of niceness in his heart, and decides to go help Allen on his quest, feeling pity for him, and eventually goes on his own adventures. Soon, his heart starts to warm; this by no way means he isn't still arrogant!

Magic
Laharl uses Fire magic, in addition to his already strong physical powers.

Quotes

 * I am the Overlord!
 * Who dares awaken me, the great Laharl?!