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 inicial 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 minutos before him.

Mother: Simone Kaulitz, a freelance tailor and artist.

Father:...