Etna was the King Krichevskoy's vassal before his death. Etna follows Laharl and Flonne before attempting to usurp the destined throne to Laharl, but then behind promise to become the skillful arm of the King. Money-hungry and despotic with her servants, the Prinnies, she uses a large hammer to hit them and her enemies.   ~!  In the end of the anime, she's given dominion over the netherworld and made queen by Laharl. However, both she and Fallen Angel Flonne are shocked when they find the new prinny, who she is about to scold for being a slacker, is none other than the reincarnated King Laharl.!~

From the darkest realms of another dimension emerges the story of Laharl, the son of a demon overlord, and his two sidekicks: his impish servant and an angelic assassin. Awoken from a two-year, poison-induced nap, Laharl learns of his father&rsquo;s demise and blazes a trail of destruction on his quest to declare rule over the Netherworld. Never skimping on the wisecracks, the diabolical prince and his accomplices battle dragons, sorceresses, robots, power-hungry humans, and corrupt angels. 
Based on the popular adventure games, Disgaea lunges at you with a full-force attack. You can laugh, cry, scream or squirm, but you can&rsquo;t escape the wrath of Laharl, dood! 
(Source: FUNimation)

Michelle Suzanne Ruff is an American voice actress known for her work in anime and video games. Height 5' 3½" (1.61 m). Georgette Rose is the name of Michelle Ruff's mother, and Michelle used her mother's name as a pseudonym in her early career.

Adell is the lone human being in a world of humans-turned-demons, made by Overlord Zenon. It's Adell's task - and burden - to defeat Zenon and restore his friends and family to their normal selves. 
But summoning an Overlord is not easy. 
When Adell tries to call Zenon, he ends up with his daughter, Rozalin. Now, bound by contract, Adell promises to take Rozalin back to her father. 
However, it will take much more than blind courage to defeat her all-powerful father and save the world. 
(Source: Broccoli Books)

So... you wake up one day after a two-year nap and discover that your father is dead. What do you do? Take over his kingdom and rule with an iron fist, of course! 
Laharl may be new to the whole Overlord scene, but with the help of the demon-girl Etna and the angel-ditz Flonne, hefs going to be the best ruler the Netherworldfs ever seen. All he has to do is get by the hordes of halfwit hellions determined to challenge him for the throne, foil an interdimensional plot and keep his own vassals from trying to kill him. 
Sound rough? Hell yeah. (Source: Broccoli Books)