Thanks for the responses, I'm very sorry that I misread. At some point I was skimming through so many tutorials and other stuff that I overlooked the portable suggestion a bit. However, I tried that one as well and it is only working when files don't have the é in them. Only after I renamed every ...

I am trying this, so far it looks like it is installed and working, but I get an error. I input:
filebot -rename "/mnt/usbstorage/torrents_complete/Pokemon" --db TheTVDB -non-strict -r
With and without sudo I get this output:
Rename episodes using [TheTVDB]
Auto-detected query: [Pokémon, pok��mon ...