There are 4 groups with the name Portrait, one Metal (from Gothenburg), one r'n'b (from Los Angeles USA), one screamo (from Atlanta USA), and one Progressive Rock/Metal (from Saarland, Germany).
1) Portrait is Heavy Metal band from Sweden (Gothenburg) in the vein of King Diamond and Mercyful Fate, with the same trademark vocals. They have released a demo tape (2006), a 2 7” singles (2007 & 2010) and 2 albums (2008 & 2011). Some of the members also plays in Helvetets Port and Devil Lee Rot. Read more on Last.fm