Mugen Keitai Disgaea was created in 2004.
Mugen Keitai Disgaea happened in 2004.
Keitai Denjū Telefang was created on 2000-11-03.
Disgaea Infinite was created on 2009-11-01.
Mugen Kigen was created in 2007.
Mugen Motorsports was created in 1973.
Mugen Power was created in 1979.
Mugen Factory was created on 2006-05-24.
Mugen - song - was created on 2009-10-28.
Keitai Denjū Telefang happened in 2000.
The game "Disgaea: Afternoon of Darkness" played on PSP has been adapted into a manga called Disgaea or in romanji Makai Senki Disgaea. There is also a Disgaea 2. So, yes, it is a manga.
Disgaea Infinite happened in 2009.
so far there are 12, im not certan of disgaea 2 and 3, but the anime disgaea with laharl, there are only 12.
The Disgaea anime is just one season with 12 episodes.