Louis Laurent Bertignac ( born 23 February 1954) is a French guitarist, vocalist and songwriter. An ex Shakin' Street member and a founding member in 1976 of the rock band Téléphone, he formed Bertignac et les Visiteurs after Téléphone split in 1986. Tony Visconti produced his first solo album, Elle et Louis (1993) and Chris Kimsey the second, '96.