No he has not.
Not according to himself.
Yes, Bill Kaulitz has said in an interview that he would date a fan.
Bill Kaulitz
Sure!
No, he had a "get out of jail free" card.
No he wasn't ever there. With or without Tokio Hotel
They are brothers - no.
no, but bill has back in '08
not bill but Tom did want to
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.