I made a group pic for Christmas this year too with even more characters than before; here's who they are and to whom they belong from top to bottom:

Row 1: Roocan (my character)
Row 2: Kate, Kurt (also my characters)
Row 3: Sir Steve (EarthVStheDerek), John Jenkins (IrishBecky), Little Polar (fredvegerano)
Row 4: JQ (Thyloguy), PB (BluebottleFlyer), Tex (LordDominic), Maria Waite (NS-Games)
Row 5: Sparky (FoxJake), Clyde (Africa2000), Aydin (GatorArt27), Faehnrich (FloydKangaroo), Seth Fox (TwoTailed)