yes
Bill Kaulitz,
Bill Kaulitz's birth name is Bill Kaulitz-Trmper.
No, Bill Kaulitz's name is Bill Kaulitz, not Wilhelm. 'Bill' is not short for anything.
If you mean what i think you mean, search Bill Kaulitz on Google and his (or Tokio Hotel's aka Devilish) biography should come up.
Bill Kaulitz
Toyko, Japan hence the name of the band.
Bill Kaulitz likes all of his fans.
Jörg Kaulitz.
Los Angeles and Singapore
Bill Kaulitz is right handed. As a matter of fact, they are all right handed.
No Jörg Kaulitz is.