It's a name, a Nordic/European version of John.
Johannes Vennekamp has written: 'Johannes Vennekamp'
Johannes Brus has written: 'Johannes Brus'
Johannes Figulla has written: 'Johannes Figulla'
Johannes Dorflinger has written: 'Johannes Dorflinger'
Nothing, because it isn't a Greek name. It's Danish, and it means 'Son of Johannes'.
German Johannes Gutenberg
Johannes Fehring's birth name is Johannes Fernbach.
Johannes Thomhave's birth name is Johannes Bjarne Thomhave.
Johannes Thomsen's birth name is Johannes Guttorm Thomsen.
Johannes Brandrup is 182 cm.
Johannes Eckhoff's birth name is Johannes Nicolai Eckhoff.
Alain Johannes's birth name is Alain Johannes Moschulski.