* NoExportForYou: For the longest time, western fans had no way to get Gig, Dark Eclair or Miabelle due to an inability to download them. This was finally fixed with the release of the PC port, which includes all the DLC as part of the package and even touts the previously Japan Only characters as a feature.
* TheOtherDarrin:
** Various characters have a different voice actor in Axel Mode.
** Creator/MichelleRuff took over as Etna from Creator/AmandaWinnLee after Amanda voiced Etna in the original ''VideoGame/DisgaeaHourOfDarkness'' as well as her cameos in ''VideoGame/PhantomBrave'' and ''VideoGame/MakaiKingdom''. Michelle Ruff would go on to provide Etna's voice in all subsequent appearances, including [[UpdatedRerelease Updated Re-releases]] of the first Disgaea.
* WhatCouldHaveBeen: Disgaea 2 was originally going to star Laharl, Etna, and Flonne again, but according to WordOfGod, they had felt that they had done everything that wanted to do with them and decided to create a whole new world with new characters and everything in order to bring in new people to the series.
** [[HilariousInHindsight Then a few years later, they made]] ''[[VideoGame/DisgaeaDimension2 Disgaea D2]]''...