There are at least four bands and one podcast with this name, one Hungarian indie-rock/powerpop and one Portuguese alternative rock band from Aveiro. The third was based in the UK, playing alternative rock. Last but not least, SuperEgo was a moniker used by Stone Sour for a while, releasing one demo under that name. #1 - Superego (Hungary) Péter Ihász - lead vocals, keyboard Kata Badics - keys Ákos Sümegi - guitar, background vocals Dániel Csitke - bass Gábor Pajor - percussion #2 - Superego (Portugal) Jorge Cruz - voz, guitarra Alexandre Mano - baixo Leandro Silva - bateria #3 - SuperEgo (UK) Oliver Barron - lead vocals, rhythm guitar James Magee - piano, synths, backing vocals Ian Sillett - lead guitar Anthony Derbyshire - bass, backing vocals Phil Hobgen - drums Note: SuperEgo (UK) were active between 1999 - 2007 and released "The Electra Complex" found on lastfm. They are the guys in the 'banquet' band photo found on here. #4 - SuperEgo (USA) Moniker used by Stone Sour for a short period of time, releasing one demo under this name. #5 The Superego Podcast SUPEREGO: Profiles In Self-Obsession. Improvised, analyzed, and brought to you by Drs. Matt Gourley, Jeremy Carter, Mark McConville, and Paul F. Tompkins. Guest appearances by Patton Oswalt, Neko Case, John Hodgman, Jason Sudeikis, Greg Proops, Erinn Hayes, Andy Daly, Jen Kirkman, Thomas Lennon, and many more. SUPEREGO: SEASONS 1, 2, BONUS EPISODES, and NON-ENHANCED MP3s available at goSuperego.com. http://twitter.com/goSuperego http://phobos.apple.com/WebObjects/MZStore.woa/wa/viewPodcast?id=129558037&s=143441 http://en.wikipedia.org/wiki/Superego_Podcast