* AdaptationDisplacement: Most people who know about Brainiac are more familiar with his evil IA incarnation from [[WesternAnimation/SupermanTheAnimatedSeries the cartoon]] than they are with the earlier comic book incarnations. This is most likely the reason it has become a frequent RetCanon.
* CompleteMonster:
** Numerous incarnations in Monster/{{Superman}}, both Pre-and-Post-Crisis.
** His {{Franchise/DCAU}} incarnation (both television and ''WesternAnimation/SupermanUnbound''), as well as ''WesternAnimation/LegionOfSuperHeroes'', in Monster/DCAnimation.
** His ''Series/{{Smallville}}'' incarnation in Monster/LiveActionTV.
** His ''VideoGame/JusticeLeagueHeroes'' incarnation in Monster/VideoGamesAndVisualNovels.