Full name: Bill Kaulitz-Trümper.
Nickname: None; he says he doesn’t need any as his name is short enough.
Occupation: Singer / song-writer.
Date of Birth: September 1, 1989.
Zodiac Sign: Virgo.
Place of Birth: Leipzig (Germany).
Place of Residence: Loitsche, Germany and their temporary utama in Hamburg which is where their studio is.
Height: 1,88cm (6′2″)
Weight: 50kg (110 lbs)
Hair Colour: Dirty blonde; dyed black with blonde streaks at the moment.
Eye Colour: Brown.
Siblings: A twin brother named Tom who was born 10 minit before him.
Mother: Simone Kaulitz, a freelance tailor and artist.