Biography
There are at least three Norman bates'.
One is a hardcore band from jersey: http://www.myspace.com/normanbatesmetal
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And the other one is a german jazz/funk/downtempo-rapper/singer, better known just as "Bates". He is currently working within his homebase "Zughafen", as well as artists like clueso, the rythm club or Makabu.
www.normanbates.de
Another one is a nu-metal / crossover band from Rakovník in Czech Republic. Check out their Bandzone profile.
And there is also the noise pop/post-punk band from Plentzia, Basque Country, formed in 2019, with the first release being in 2024. Check out their Bandcamp: https://normanbates4.bandcamp.com/
Biography text from Last.fm, available under CC BY-SA.